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Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: "142 patches: - DAX updates - various misc bits - OCFS2 updates - most of MM" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (142 commits) mm/z3fold.c: limit first_num to the actual range of possible buddy indexes mm: fix <linux/pagemap.h> stray kernel-doc notation zram: remove obsolete sysfs attrs mm/memblock.c: remove unnecessary log and clean up oom-reaper: use madvise_dontneed() logic to decide if unmap the VMA mm: drop unused argument of zap_page_range() mm: drop zap_details::check_swap_entries mm: drop zap_details::ignore_dirty mm, page_alloc: warn_alloc nodemask is NULL when cpusets are disabled mm: help __GFP_NOFAIL allocations which do not trigger OOM killer mm, oom: do not enforce OOM killer for __GFP_NOFAIL automatically mm: consolidate GFP_NOFAIL checks in the allocator slowpath lib/show_mem.c: teach show_mem to work with the given nodemask arch, mm: remove arch specific show_mem mm, page_alloc: warn_alloc print nodemask mm, page_alloc: do not report all nodes in show_mem Revert "mm: bail out in shrink_inactive_list()" mm, vmscan: consider eligible zones in get_scan_count mm, vmscan: cleanup lru size claculations mm, vmscan: do not count freed pages as PGDEACTIVATE ...
This commit is contained in:
@@ -1,119 +0,0 @@
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What: /sys/block/zram<id>/num_reads
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The num_reads file is read-only and specifies the number of
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reads (failed or successful) done on this device.
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Now accessible via zram<id>/stat node.
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|
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What: /sys/block/zram<id>/num_writes
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Date: August 2015
|
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
|
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Description:
|
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The num_writes file is read-only and specifies the number of
|
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writes (failed or successful) done on this device.
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Now accessible via zram<id>/stat node.
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|
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What: /sys/block/zram<id>/invalid_io
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The invalid_io file is read-only and specifies the number of
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non-page-size-aligned I/O requests issued to this device.
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Now accessible via zram<id>/io_stat node.
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What: /sys/block/zram<id>/failed_reads
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The failed_reads file is read-only and specifies the number of
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failed reads happened on this device.
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Now accessible via zram<id>/io_stat node.
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What: /sys/block/zram<id>/failed_writes
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The failed_writes file is read-only and specifies the number of
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failed writes happened on this device.
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Now accessible via zram<id>/io_stat node.
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What: /sys/block/zram<id>/notify_free
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The notify_free file is read-only. Depending on device usage
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scenario it may account a) the number of pages freed because
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of swap slot free notifications or b) the number of pages freed
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because of REQ_DISCARD requests sent by bio. The former ones
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are sent to a swap block device when a swap slot is freed, which
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implies that this disk is being used as a swap disk. The latter
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ones are sent by filesystem mounted with discard option,
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whenever some data blocks are getting discarded.
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Now accessible via zram<id>/io_stat node.
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What: /sys/block/zram<id>/zero_pages
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The zero_pages file is read-only and specifies number of zero
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filled pages written to this disk. No memory is allocated for
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such pages.
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Now accessible via zram<id>/mm_stat node.
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What: /sys/block/zram<id>/orig_data_size
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The orig_data_size file is read-only and specifies uncompressed
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size of data stored in this disk. This excludes zero-filled
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pages (zero_pages) since no memory is allocated for them.
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Unit: bytes
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Now accessible via zram<id>/mm_stat node.
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What: /sys/block/zram<id>/compr_data_size
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The compr_data_size file is read-only and specifies compressed
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size of data stored in this disk. So, compression ratio can be
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calculated using orig_data_size and this statistic.
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Unit: bytes
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Now accessible via zram<id>/mm_stat node.
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What: /sys/block/zram<id>/mem_used_total
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The mem_used_total file is read-only and specifies the amount
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of memory, including allocator fragmentation and metadata
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overhead, allocated for this disk. So, allocator space
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efficiency can be calculated using compr_data_size and this
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statistic.
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Unit: bytes
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Now accessible via zram<id>/mm_stat node.
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What: /sys/block/zram<id>/mem_used_max
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The mem_used_max file is read/write and specifies the amount
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of maximum memory zram have consumed to store compressed data.
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For resetting the value, you should write "0". Otherwise,
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you could see -EINVAL.
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Unit: bytes
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Downgraded to write-only node: so it's possible to set new
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value only; its current value is stored in zram<id>/mm_stat
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node.
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What: /sys/block/zram<id>/mem_limit
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Date: August 2015
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Description:
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The mem_limit file is read/write and specifies the maximum
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amount of memory ZRAM can use to store the compressed data.
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The limit could be changed in run time and "0" means disable
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the limit. No limit is the initial state. Unit: bytes
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Downgraded to write-only node: so it's possible to set new
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value only; its current value is stored in zram<id>/mm_stat
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node.
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@@ -22,41 +22,6 @@ Description:
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device. The reset operation frees all the memory associated
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with this device.
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What: /sys/block/zram<id>/num_reads
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
|
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Description:
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The num_reads file is read-only and specifies the number of
|
||||
reads (failed or successful) done on this device.
|
||||
|
||||
What: /sys/block/zram<id>/num_writes
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||||
Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
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The num_writes file is read-only and specifies the number of
|
||||
writes (failed or successful) done on this device.
|
||||
|
||||
What: /sys/block/zram<id>/invalid_io
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||||
Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
||||
The invalid_io file is read-only and specifies the number of
|
||||
non-page-size-aligned I/O requests issued to this device.
|
||||
|
||||
What: /sys/block/zram<id>/failed_reads
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||||
Date: February 2014
|
||||
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
|
||||
Description:
|
||||
The failed_reads file is read-only and specifies the number of
|
||||
failed reads happened on this device.
|
||||
|
||||
What: /sys/block/zram<id>/failed_writes
|
||||
Date: February 2014
|
||||
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
|
||||
Description:
|
||||
The failed_writes file is read-only and specifies the number of
|
||||
failed writes happened on this device.
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||||
|
||||
What: /sys/block/zram<id>/max_comp_streams
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Date: February 2014
|
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Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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@@ -73,74 +38,24 @@ Description:
|
||||
available and selected compression algorithms, change
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compression algorithm selection.
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|
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What: /sys/block/zram<id>/notify_free
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Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
||||
The notify_free file is read-only. Depending on device usage
|
||||
scenario it may account a) the number of pages freed because
|
||||
of swap slot free notifications or b) the number of pages freed
|
||||
because of REQ_DISCARD requests sent by bio. The former ones
|
||||
are sent to a swap block device when a swap slot is freed, which
|
||||
implies that this disk is being used as a swap disk. The latter
|
||||
ones are sent by filesystem mounted with discard option,
|
||||
whenever some data blocks are getting discarded.
|
||||
|
||||
What: /sys/block/zram<id>/zero_pages
|
||||
Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
||||
The zero_pages file is read-only and specifies number of zero
|
||||
filled pages written to this disk. No memory is allocated for
|
||||
such pages.
|
||||
|
||||
What: /sys/block/zram<id>/orig_data_size
|
||||
Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
||||
The orig_data_size file is read-only and specifies uncompressed
|
||||
size of data stored in this disk. This excludes zero-filled
|
||||
pages (zero_pages) since no memory is allocated for them.
|
||||
Unit: bytes
|
||||
|
||||
What: /sys/block/zram<id>/compr_data_size
|
||||
Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
||||
The compr_data_size file is read-only and specifies compressed
|
||||
size of data stored in this disk. So, compression ratio can be
|
||||
calculated using orig_data_size and this statistic.
|
||||
Unit: bytes
|
||||
|
||||
What: /sys/block/zram<id>/mem_used_total
|
||||
Date: August 2010
|
||||
Contact: Nitin Gupta <ngupta@vflare.org>
|
||||
Description:
|
||||
The mem_used_total file is read-only and specifies the amount
|
||||
of memory, including allocator fragmentation and metadata
|
||||
overhead, allocated for this disk. So, allocator space
|
||||
efficiency can be calculated using compr_data_size and this
|
||||
statistic.
|
||||
Unit: bytes
|
||||
|
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What: /sys/block/zram<id>/mem_used_max
|
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Date: August 2014
|
||||
Contact: Minchan Kim <minchan@kernel.org>
|
||||
Description:
|
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The mem_used_max file is read/write and specifies the amount
|
||||
of maximum memory zram have consumed to store compressed data.
|
||||
For resetting the value, you should write "0". Otherwise,
|
||||
you could see -EINVAL.
|
||||
The mem_used_max file is write-only and is used to reset
|
||||
the counter of maximum memory zram have consumed to store
|
||||
compressed data. For resetting the value, you should write
|
||||
"0". Otherwise, you could see -EINVAL.
|
||||
Unit: bytes
|
||||
|
||||
What: /sys/block/zram<id>/mem_limit
|
||||
Date: August 2014
|
||||
Contact: Minchan Kim <minchan@kernel.org>
|
||||
Description:
|
||||
The mem_limit file is read/write and specifies the maximum
|
||||
amount of memory ZRAM can use to store the compressed data. The
|
||||
limit could be changed in run time and "0" means disable the
|
||||
limit. No limit is the initial state. Unit: bytes
|
||||
The mem_limit file is write-only and specifies the maximum
|
||||
amount of memory ZRAM can use to store the compressed data.
|
||||
The limit could be changed in run time and "0" means disable
|
||||
the limit. No limit is the initial state. Unit: bytes
|
||||
|
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What: /sys/block/zram<id>/compact
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Date: August 2015
|
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@@ -3694,6 +3694,14 @@
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last alloc / free. For more information see
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Documentation/vm/slub.txt.
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slub_memcg_sysfs= [MM, SLUB]
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Determines whether to enable sysfs directories for
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memory cgroup sub-caches. 1 to enable, 0 to disable.
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The default is determined by CONFIG_SLUB_MEMCG_SYSFS_ON.
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Enabling this can lead to a very high number of debug
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directories and files being created under
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/sys/kernel/slub.
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slub_max_order= [MM, SLUB]
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Determines the maximum allowed order for slabs.
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A high setting may cause OOMs due to memory
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@@ -161,42 +161,14 @@ Name access description
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disksize RW show and set the device's disk size
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initstate RO shows the initialization state of the device
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reset WO trigger device reset
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num_reads RO the number of reads
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failed_reads RO the number of failed reads
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num_write RO the number of writes
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failed_writes RO the number of failed writes
|
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invalid_io RO the number of non-page-size-aligned I/O requests
|
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mem_used_max WO reset the `mem_used_max' counter (see later)
|
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mem_limit WO specifies the maximum amount of memory ZRAM can use
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to store the compressed data
|
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max_comp_streams RW the number of possible concurrent compress operations
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comp_algorithm RW show and change the compression algorithm
|
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notify_free RO the number of notifications to free pages (either
|
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slot free notifications or REQ_DISCARD requests)
|
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zero_pages RO the number of zero filled pages written to this disk
|
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orig_data_size RO uncompressed size of data stored in this disk
|
||||
compr_data_size RO compressed size of data stored in this disk
|
||||
mem_used_total RO the amount of memory allocated for this disk
|
||||
mem_used_max RW the maximum amount of memory zram have consumed to
|
||||
store the data (to reset this counter to the actual
|
||||
current value, write 1 to this attribute)
|
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mem_limit RW the maximum amount of memory ZRAM can use to store
|
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the compressed data
|
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pages_compacted RO the number of pages freed during compaction
|
||||
(available only via zram<id>/mm_stat node)
|
||||
compact WO trigger memory compaction
|
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debug_stat RO this file is used for zram debugging purposes
|
||||
|
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WARNING
|
||||
=======
|
||||
per-stat sysfs attributes are considered to be deprecated.
|
||||
The basic strategy is:
|
||||
-- the existing RW nodes will be downgraded to WO nodes (in linux 4.11)
|
||||
-- deprecated RO sysfs nodes will eventually be removed (in linux 4.11)
|
||||
|
||||
The list of deprecated attributes can be found here:
|
||||
Documentation/ABI/obsolete/sysfs-block-zram
|
||||
|
||||
Basically, every attribute that has its own read accessible sysfs node
|
||||
(e.g. num_reads) *AND* is accessible via one of the stat files (zram<id>/stat
|
||||
or zram<id>/io_stat or zram<id>/mm_stat) is considered to be deprecated.
|
||||
|
||||
User space is advised to use the following files to read the device statistics.
|
||||
|
||||
@@ -211,22 +183,40 @@ The stat file represents device's I/O statistics not accounted by block
|
||||
layer and, thus, not available in zram<id>/stat file. It consists of a
|
||||
single line of text and contains the following stats separated by
|
||||
whitespace:
|
||||
failed_reads
|
||||
failed_writes
|
||||
invalid_io
|
||||
notify_free
|
||||
failed_reads the number of failed reads
|
||||
failed_writes the number of failed writes
|
||||
invalid_io the number of non-page-size-aligned I/O requests
|
||||
notify_free Depending on device usage scenario it may account
|
||||
a) the number of pages freed because of swap slot free
|
||||
notifications or b) the number of pages freed because of
|
||||
REQ_DISCARD requests sent by bio. The former ones are
|
||||
sent to a swap block device when a swap slot is freed,
|
||||
which implies that this disk is being used as a swap disk.
|
||||
The latter ones are sent by filesystem mounted with
|
||||
discard option, whenever some data blocks are getting
|
||||
discarded.
|
||||
|
||||
File /sys/block/zram<id>/mm_stat
|
||||
|
||||
The stat file represents device's mm statistics. It consists of a single
|
||||
line of text and contains the following stats separated by whitespace:
|
||||
orig_data_size
|
||||
compr_data_size
|
||||
mem_used_total
|
||||
mem_limit
|
||||
mem_used_max
|
||||
zero_pages
|
||||
num_migrated
|
||||
orig_data_size uncompressed size of data stored in this disk.
|
||||
This excludes zero-filled pages (zero_pages) since no
|
||||
memory is allocated for them.
|
||||
Unit: bytes
|
||||
compr_data_size compressed size of data stored in this disk
|
||||
mem_used_total the amount of memory allocated for this disk. This
|
||||
includes allocator fragmentation and metadata overhead,
|
||||
allocated for this disk. So, allocator space efficiency
|
||||
can be calculated using compr_data_size and this statistic.
|
||||
Unit: bytes
|
||||
mem_limit the maximum amount of memory ZRAM can use to store
|
||||
the compressed data
|
||||
mem_used_max the maximum amount of memory zram have consumed to
|
||||
store the data
|
||||
zero_pages the number of zero filled pages written to this disk.
|
||||
No memory is allocated for such pages.
|
||||
pages_compacted the number of pages freed during compaction
|
||||
|
||||
9) Deactivate:
|
||||
swapoff /dev/zram0
|
||||
|
||||
@@ -112,8 +112,8 @@ my $regex_direct_end_default = 'nr_reclaimed=([0-9]*)';
|
||||
my $regex_kswapd_wake_default = 'nid=([0-9]*) order=([0-9]*)';
|
||||
my $regex_kswapd_sleep_default = 'nid=([0-9]*)';
|
||||
my $regex_wakeup_kswapd_default = 'nid=([0-9]*) zid=([0-9]*) order=([0-9]*)';
|
||||
my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_taken=([0-9]*) file=([0-9]*)';
|
||||
my $regex_lru_shrink_inactive_default = 'nid=([0-9]*) zid=([0-9]*) nr_scanned=([0-9]*) nr_reclaimed=([0-9]*) priority=([0-9]*) flags=([A-Z_|]*)';
|
||||
my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) classzone_idx=([0-9]*) order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_skipped=([0-9]*) nr_taken=([0-9]*) lru=([a-z_]*)';
|
||||
my $regex_lru_shrink_inactive_default = 'nid=([0-9]*) nr_scanned=([0-9]*) nr_reclaimed=([0-9]*) nr_dirty=([0-9]*) nr_writeback=([0-9]*) nr_congested=([0-9]*) nr_immediate=([0-9]*) nr_activate=([0-9]*) nr_ref_keep=([0-9]*) nr_unmap_fail=([0-9]*) priority=([0-9]*) flags=([A-Z_|]*)';
|
||||
my $regex_lru_shrink_active_default = 'lru=([A-Z_]*) nr_scanned=([0-9]*) nr_rotated=([0-9]*) priority=([0-9]*)';
|
||||
my $regex_writepage_default = 'page=([0-9a-f]*) pfn=([0-9]*) flags=([A-Z_|]*)';
|
||||
|
||||
@@ -205,15 +205,15 @@ $regex_wakeup_kswapd = generate_traceevent_regex(
|
||||
$regex_lru_isolate = generate_traceevent_regex(
|
||||
"vmscan/mm_vmscan_lru_isolate",
|
||||
$regex_lru_isolate_default,
|
||||
"isolate_mode", "order",
|
||||
"nr_requested", "nr_scanned", "nr_taken",
|
||||
"file");
|
||||
"isolate_mode", "classzone_idx", "order",
|
||||
"nr_requested", "nr_scanned", "nr_skipped", "nr_taken",
|
||||
"lru");
|
||||
$regex_lru_shrink_inactive = generate_traceevent_regex(
|
||||
"vmscan/mm_vmscan_lru_shrink_inactive",
|
||||
$regex_lru_shrink_inactive_default,
|
||||
"nid", "zid",
|
||||
"nr_scanned", "nr_reclaimed", "priority",
|
||||
"flags");
|
||||
"nid", "nr_scanned", "nr_reclaimed", "nr_dirty", "nr_writeback",
|
||||
"nr_congested", "nr_immediate", "nr_activate", "nr_ref_keep",
|
||||
"nr_unmap_fail", "priority", "flags");
|
||||
$regex_lru_shrink_active = generate_traceevent_regex(
|
||||
"vmscan/mm_vmscan_lru_shrink_active",
|
||||
$regex_lru_shrink_active_default,
|
||||
@@ -381,8 +381,8 @@ EVENT_PROCESS:
|
||||
next;
|
||||
}
|
||||
my $isolate_mode = $1;
|
||||
my $nr_scanned = $4;
|
||||
my $file = $6;
|
||||
my $nr_scanned = $5;
|
||||
my $file = $8;
|
||||
|
||||
# To closer match vmstat scanning statistics, only count isolate_both
|
||||
# and isolate_inactive as scanning. isolate_active is rotation
|
||||
@@ -391,7 +391,7 @@ EVENT_PROCESS:
|
||||
# isolate_both == 3
|
||||
if ($isolate_mode != 2) {
|
||||
$perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned;
|
||||
if ($file == 1) {
|
||||
if ($file =~ /_file/) {
|
||||
$perprocesspid{$process_pid}->{HIGH_NR_FILE_SCANNED} += $nr_scanned;
|
||||
} else {
|
||||
$perprocesspid{$process_pid}->{HIGH_NR_ANON_SCANNED} += $nr_scanned;
|
||||
@@ -406,8 +406,8 @@ EVENT_PROCESS:
|
||||
next;
|
||||
}
|
||||
|
||||
my $nr_reclaimed = $4;
|
||||
my $flags = $6;
|
||||
my $nr_reclaimed = $3;
|
||||
my $flags = $12;
|
||||
my $file = 0;
|
||||
if ($flags =~ /RECLAIM_WB_FILE/) {
|
||||
$file = 1;
|
||||
|
||||
@@ -110,6 +110,7 @@ MADV_HUGEPAGE region.
|
||||
|
||||
echo always >/sys/kernel/mm/transparent_hugepage/defrag
|
||||
echo defer >/sys/kernel/mm/transparent_hugepage/defrag
|
||||
echo defer+madvise >/sys/kernel/mm/transparent_hugepage/defrag
|
||||
echo madvise >/sys/kernel/mm/transparent_hugepage/defrag
|
||||
echo never >/sys/kernel/mm/transparent_hugepage/defrag
|
||||
|
||||
@@ -120,10 +121,15 @@ that benefit heavily from THP use and are willing to delay the VM start
|
||||
to utilise them.
|
||||
|
||||
"defer" means that an application will wake kswapd in the background
|
||||
to reclaim pages and wake kcompact to compact memory so that THP is
|
||||
to reclaim pages and wake kcompactd to compact memory so that THP is
|
||||
available in the near future. It's the responsibility of khugepaged
|
||||
to then install the THP pages later.
|
||||
|
||||
"defer+madvise" will enter direct reclaim and compaction like "always", but
|
||||
only for regions that have used madvise(MADV_HUGEPAGE); all other regions
|
||||
will wake kswapd in the background to reclaim pages and wake kcompactd to
|
||||
compact memory so that THP is available in the near future.
|
||||
|
||||
"madvise" will enter direct reclaim like "always" but only for regions
|
||||
that are have used madvise(MADV_HUGEPAGE). This is the default behaviour.
|
||||
|
||||
|
||||
+4
-1
@@ -3926,10 +3926,13 @@ S: Maintained
|
||||
F: drivers/i2c/busses/i2c-diolan-u2c.c
|
||||
|
||||
DIRECT ACCESS (DAX)
|
||||
M: Matthew Wilcox <willy@linux.intel.com>
|
||||
M: Matthew Wilcox <mawilcox@microsoft.com>
|
||||
M: Ross Zwisler <ross.zwisler@linux.intel.com>
|
||||
L: linux-fsdevel@vger.kernel.org
|
||||
S: Supported
|
||||
F: fs/dax.c
|
||||
F: include/linux/dax.h
|
||||
F: include/trace/events/fs_dax.h
|
||||
|
||||
DIRECTORY NOTIFICATION (DNOTIFY)
|
||||
M: Eric Paris <eparis@parisplace.org>
|
||||
|
||||
@@ -684,51 +684,3 @@ int arch_remove_memory(u64 start, u64 size)
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
* show_mem - give short summary of memory stats
|
||||
*
|
||||
* Shows a simple page count of reserved and used pages in the system.
|
||||
* For discontig machines, it does this on a per-pgdat basis.
|
||||
*/
|
||||
void show_mem(unsigned int filter)
|
||||
{
|
||||
int total_reserved = 0;
|
||||
unsigned long total_present = 0;
|
||||
pg_data_t *pgdat;
|
||||
|
||||
printk(KERN_INFO "Mem-info:\n");
|
||||
show_free_areas(filter);
|
||||
printk(KERN_INFO "Node memory in pages:\n");
|
||||
for_each_online_pgdat(pgdat) {
|
||||
unsigned long present;
|
||||
unsigned long flags;
|
||||
int reserved = 0;
|
||||
int nid = pgdat->node_id;
|
||||
int zoneid;
|
||||
|
||||
if (skip_free_areas_node(filter, nid))
|
||||
continue;
|
||||
pgdat_resize_lock(pgdat, &flags);
|
||||
|
||||
for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
|
||||
struct zone *zone = &pgdat->node_zones[zoneid];
|
||||
if (!populated_zone(zone))
|
||||
continue;
|
||||
|
||||
reserved += zone->present_pages - zone->managed_pages;
|
||||
}
|
||||
present = pgdat->node_present_pages;
|
||||
|
||||
pgdat_resize_unlock(pgdat, &flags);
|
||||
total_present += present;
|
||||
total_reserved += reserved;
|
||||
printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, ",
|
||||
nid, present, reserved);
|
||||
}
|
||||
printk(KERN_INFO "%ld pages of RAM\n", total_present);
|
||||
printk(KERN_INFO "%d reserved pages\n", total_reserved);
|
||||
printk(KERN_INFO "Total of %ld pages in page table cache\n",
|
||||
quicklist_total_size());
|
||||
printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages());
|
||||
}
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
|
||||
generic-y += clkdev.h
|
||||
generic-y += current.h
|
||||
generic-y += exec.h
|
||||
generic-y += irq_work.h
|
||||
generic-y += kvm_para.h
|
||||
|
||||
@@ -64,8 +64,10 @@ __xchg(unsigned long x, volatile void *ptr, int size)
|
||||
return (tmp);
|
||||
}
|
||||
|
||||
#define xchg(ptr, x) \
|
||||
((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
|
||||
#define xchg(ptr, x) ({ \
|
||||
((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), \
|
||||
sizeof(*(ptr)))); \
|
||||
})
|
||||
|
||||
static __always_inline unsigned long
|
||||
__xchg_local(unsigned long x, volatile void *ptr, int size)
|
||||
@@ -187,9 +189,12 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
|
||||
return old;
|
||||
}
|
||||
|
||||
#define cmpxchg(ptr, o, n) \
|
||||
((__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)(o), \
|
||||
(unsigned long)(n), sizeof(*(ptr))))
|
||||
#define cmpxchg(ptr, o, n) ({ \
|
||||
((__typeof__(*(ptr))) \
|
||||
__cmpxchg((ptr), (unsigned long)(o), \
|
||||
(unsigned long)(n), \
|
||||
sizeof(*(ptr)))); \
|
||||
})
|
||||
|
||||
#include <asm-generic/cmpxchg-local.h>
|
||||
|
||||
|
||||
@@ -1,15 +0,0 @@
|
||||
#ifndef _ASM_M32R_CURRENT_H
|
||||
#define _ASM_M32R_CURRENT_H
|
||||
|
||||
#include <linux/thread_info.h>
|
||||
|
||||
struct task_struct;
|
||||
|
||||
static __inline__ struct task_struct *get_current(void)
|
||||
{
|
||||
return current_thread_info()->task;
|
||||
}
|
||||
|
||||
#define current (get_current())
|
||||
|
||||
#endif /* _ASM_M32R_CURRENT_H */
|
||||
@@ -2,6 +2,7 @@
|
||||
generic-y += auxvec.h
|
||||
generic-y += barrier.h
|
||||
generic-y += clkdev.h
|
||||
generic-y += current.h
|
||||
generic-y += device.h
|
||||
generic-y += div64.h
|
||||
generic-y += emergency-restart.h
|
||||
|
||||
@@ -1,15 +0,0 @@
|
||||
#ifndef _PARISC_CURRENT_H
|
||||
#define _PARISC_CURRENT_H
|
||||
|
||||
#include <linux/thread_info.h>
|
||||
|
||||
struct task_struct;
|
||||
|
||||
static inline struct task_struct * get_current(void)
|
||||
{
|
||||
return current_thread_info()->task;
|
||||
}
|
||||
|
||||
#define current get_current()
|
||||
|
||||
#endif /* !(_PARISC_CURRENT_H) */
|
||||
@@ -653,55 +653,6 @@ void __init mem_init(void)
|
||||
unsigned long *empty_zero_page __read_mostly;
|
||||
EXPORT_SYMBOL(empty_zero_page);
|
||||
|
||||
void show_mem(unsigned int filter)
|
||||
{
|
||||
int total = 0,reserved = 0;
|
||||
pg_data_t *pgdat;
|
||||
|
||||
printk(KERN_INFO "Mem-info:\n");
|
||||
show_free_areas(filter);
|
||||
|
||||
for_each_online_pgdat(pgdat) {
|
||||
unsigned long flags;
|
||||
int zoneid;
|
||||
|
||||
pgdat_resize_lock(pgdat, &flags);
|
||||
for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
|
||||
struct zone *zone = &pgdat->node_zones[zoneid];
|
||||
if (!populated_zone(zone))
|
||||
continue;
|
||||
|
||||
total += zone->present_pages;
|
||||
reserved = zone->present_pages - zone->managed_pages;
|
||||
}
|
||||
pgdat_resize_unlock(pgdat, &flags);
|
||||
}
|
||||
|
||||
printk(KERN_INFO "%d pages of RAM\n", total);
|
||||
printk(KERN_INFO "%d reserved pages\n", reserved);
|
||||
|
||||
#ifdef CONFIG_DISCONTIGMEM
|
||||
{
|
||||
struct zonelist *zl;
|
||||
int i, j;
|
||||
|
||||
for (i = 0; i < npmem_ranges; i++) {
|
||||
zl = node_zonelist(i, 0);
|
||||
for (j = 0; j < MAX_NR_ZONES; j++) {
|
||||
struct zoneref *z;
|
||||
struct zone *zone;
|
||||
|
||||
printk("Zone list for zone %d on node %d: ", j, i);
|
||||
for_each_zone_zonelist(zone, z, zl, j)
|
||||
printk("[%d/%s] ", zone_to_nid(zone),
|
||||
zone->name);
|
||||
printk("\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
* pagetable_init() sets up the page tables
|
||||
*
|
||||
|
||||
@@ -230,7 +230,9 @@ extern long long virt_phys_offset;
|
||||
* and needs to be executable. This means the whole heap ends
|
||||
* up being executable.
|
||||
*/
|
||||
#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
|
||||
#define VM_DATA_DEFAULT_FLAGS32 \
|
||||
(((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
|
||||
VM_READ | VM_WRITE | \
|
||||
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
|
||||
|
||||
#define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
|
||||
|
||||
@@ -916,7 +916,7 @@ cmds(struct pt_regs *excp)
|
||||
memzcan();
|
||||
break;
|
||||
case 'i':
|
||||
show_mem(0);
|
||||
show_mem(0, NULL);
|
||||
break;
|
||||
default:
|
||||
termch = cmd;
|
||||
|
||||
+1
-1
@@ -687,7 +687,7 @@ void gmap_discard(struct gmap *gmap, unsigned long from, unsigned long to)
|
||||
/* Find vma in the parent mm */
|
||||
vma = find_vma(gmap->mm, vmaddr);
|
||||
size = min(to - gaddr, PMD_SIZE - (gaddr & ~PMD_MASK));
|
||||
zap_page_range(vma, vmaddr, size, NULL);
|
||||
zap_page_range(vma, vmaddr, size);
|
||||
}
|
||||
up_read(&gmap->mm->mmap_sem);
|
||||
}
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
header-y +=
|
||||
|
||||
|
||||
generic-y += barrier.h
|
||||
generic-y += clkdev.h
|
||||
generic-y += current.h
|
||||
generic-y += irq_work.h
|
||||
generic-y += mcs_spinlock.h
|
||||
generic-y += mm-arch-hooks.h
|
||||
|
||||
@@ -1,6 +0,0 @@
|
||||
#ifndef _ASM_SCORE_CURRENT_H
|
||||
#define _ASM_SCORE_CURRENT_H
|
||||
|
||||
#include <asm-generic/current.h>
|
||||
|
||||
#endif /* _ASM_SCORE_CURRENT_H */
|
||||
@@ -82,7 +82,7 @@ static void prom_sync_me(void)
|
||||
"nop\n\t" : : "r" (&trapbase));
|
||||
|
||||
prom_printf("PROM SYNC COMMAND...\n");
|
||||
show_free_areas(0);
|
||||
show_free_areas(0, NULL);
|
||||
if (!is_idle_task(current)) {
|
||||
local_irq_enable();
|
||||
sys_sync();
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user