Hugh Dickins 5a9bbdcd29 mm: don't waste swap on locked pages ...

try_to_unmap always fails on a page found in a VM_LOCKED vma (unless
migrating), and recycles it back to the active list.  But if it's an
anonymous page, we've already allocated swap to it: just wasting swap.
Spot locked pages in page_referenced_one and treat them as referenced.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Tested-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ethan Solomita <solo@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2008-02-05 09:44:18 -08:00

..

allocpercpu.c

Slab allocators: Replace explicit zeroing with __GFP_ZERO

2007-07-17 10:23:02 -07:00

backing-dev.c

mm/backing-dev.c: fix percpu_counter_destroy call bug in bdi_init

2007-12-05 09:21:18 -08:00

bootmem.c

…

bounce.c

block: Initial support for data-less (or empty) barrier support

2007-10-16 11:03:56 +02:00

fadvise.c

…

filemap_xip.c

Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user

2008-02-05 09:44:13 -08:00

filemap.c

radix-tree: avoid atomic allocations for preloaded insertions

2008-02-05 09:44:17 -08:00

fremap.c

sys_remap_file_pages: fix ->vm_file accounting

2008-02-05 09:44:07 -08:00

highmem.c

Create the ZONE_MOVABLE zone

2007-07-17 10:22:59 -07:00

hugetlb.c

fix hugepages leak due to pagetable page sharing

2008-01-24 08:07:27 -08:00

internal.h

Breakout page_order() to internal.h to avoid special knowledge of the buddy allocator

2007-10-16 09:43:01 -07:00

Kconfig

sh: Bump number of quicklists for SH-5.

2008-01-28 13:18:55 +09:00

madvise.c

speed up madvise_need_mmap_write() usage

2007-07-16 09:05:36 -07:00

Makefile

maps4: make page monitoring /proc file optional

2008-02-05 09:44:17 -08:00

memory_hotplug.c

Page allocator: clean up pcp draining functions

2008-02-05 09:44:17 -08:00

memory.c

add mm argument to pte/pmd/pud/pgd_free

2008-02-05 09:44:18 -08:00

mempolicy.c

Migration: find correct vma in new_vma_page()

2007-11-14 18:45:38 -08:00

mempool.c

spelling fixes: mm/

2007-10-20 01:27:18 +02:00

migrate.c

maps4: move is_swap_pte

2008-02-05 09:44:16 -08:00

mincore.c

…

mlock.c

do not limit locked memory when RLIMIT_MEMLOCK is RLIM_INFINITY

2007-07-16 09:05:37 -07:00

mmap.c

arch_rebalance_pgtables call

2008-02-05 09:44:18 -08:00

mmzone.c

…

mprotect.c

fix mprotect vma_wants_writenotify prot

2007-10-23 08:32:06 -07:00

mremap.c

sparse pointer use of zero as null

2007-10-18 14:37:31 -07:00

msync.c

Detach sched.h from mm.h

2007-05-21 09:18:19 -07:00

nommu.c

vmalloc: add const to void* parameters

2008-02-05 09:44:14 -08:00

oom_kill.c

sched: sched_rt_entity

2008-01-25 21:08:27 +01:00

page_alloc.c

Page allocator: get rid of the list of cold pages

2008-02-05 09:44:18 -08:00

page_io.c

Drop 'size' argument from bio_endio and bi_end_io

2007-10-10 09:25:57 +02:00

page_isolation.c

memory hotremove: unset migrate type "ISOLATE" after removal

2007-11-14 18:45:38 -08:00

page-writeback.c

mm/page-writeback: highmem_is_dirtyable option

2008-02-05 09:44:18 -08:00

pagewalk.c

maps4: introduce a generic page walker

2008-02-05 09:44:16 -08:00

pdflush.c

Freezer: make kernel threads nonfreezable by default

2007-07-17 10:23:02 -07:00

prio_tree.c

spelling fixes: mm/

2007-10-20 01:27:18 +02:00

quicklist.c

quicklists: Only consider memory that can be used with GFP_KERNEL

2008-01-14 08:52:22 -08:00

readahead.c

mm: bdi init hooks

2007-10-17 08:42:45 -07:00

rmap.c

mm: don't waste swap on locked pages

2008-02-05 09:44:18 -08:00

shmem_acl.c

…

shmem.c

tmpfs: fix shmem_swaplist races

2008-02-05 09:44:16 -08:00

slab.c

cpu-hotplug: replace per-subsystem mutexes with get_online_cpus()

2008-01-25 21:08:02 +01:00

slob.c

Avoid double memclear() in SLOB/SLUB

2007-12-09 10:17:52 -08:00

slub.c

SLUB: Do not upset lockdep

2008-02-04 10:56:02 -08:00

sparse-vmemmap.c

memory hotplug fix: fix section mismatch in vmammap_allock_block()

2007-11-29 09:24:54 -08:00

sparse.c

is_vmalloc_addr(): Check if an address is within the vmalloc boundaries

2008-02-05 09:44:14 -08:00

swap_state.c

tmpfs: move swap swizzling into shmem

2008-02-05 09:44:15 -08:00

swap.c

spelling fixes: mm/

2007-10-20 01:27:18 +02:00

swapfile.c

tmpfs: open a window in shmem_unuse_inode

2008-02-05 09:44:15 -08:00

thrash.c

…

tiny-shmem.c

Remove unused code from mm/tiny-shmem.c

2008-02-05 09:44:17 -08:00

truncate.c

Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user

2008-02-05 09:44:13 -08:00

util.c

fix mm/util.c:krealloc()

2007-11-14 18:45:41 -08:00

vmalloc.c

mm: don't allow ioremapping of ranges larger than vmalloc space

2008-02-05 09:44:18 -08:00

vmscan.c

spelling fixes: mm/

2007-10-20 01:27:18 +02:00

vmstat.c

vmstat: remove prefetch

2008-02-05 09:44:18 -08:00