Ebru Akagunduz 982785c6b0 mm, thp: fix leaking mapped pte in __collapse_huge_page_swapin() ...

Currently, khugepaged does not permit swapin if there are enough young
pages in a THP.  The problem is when a THP does not have enough young
pages, khugepaged leaks mapped ptes.

This patch prohibits leaking mapped ptes.

Link: http://lkml.kernel.org/r/1472820276-7831-1-git-send-email-ebru.akagunduz@gmail.com
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Suggested-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2016-09-19 15:36:16 -07:00

..

kasan

kasan: remove the unnecessary WARN_ONCE from quarantine.c

2016-08-11 16:58:14 -07:00

backing-dev.c

block: fix bdi vs gendisk lifetime mismatch

2016-08-04 14:19:16 -06:00

balloon_compaction.c

mm: balloon: use general non-lru movable page feature

2016-07-26 16:19:19 -07:00

bootmem.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

cleancache.c

cleancache: constify cleancache_ops structure

2016-01-27 09:09:57 -05:00

cma_debug.c

…

cma.c

mm/cma: silence warnings due to max() usage

2016-05-27 14:49:37 -07:00

cma.h

…

compaction.c

mm, compaction: simplify contended compaction handling

2016-07-28 16:07:41 -07:00

debug_page_ref.c

mm/page_ref: add tracepoint to track down page reference manipulation

2016-03-17 15:09:34 -07:00

debug.c

mm: introduce page reference manipulation functions

2016-03-17 15:09:34 -07:00

dmapool.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

early_ioremap.c

mm/early_ioremap: use offset_in_page macro

2015-11-05 19:34:48 -08:00

fadvise.c

mm/fadvise.c: do not discard partial pages with POSIX_FADV_DONTNEED

2016-06-09 14:23:11 -07:00

failslab.c

mm: fault-inject take over bootstrap kmem_cache check

2016-03-15 16:55:16 -07:00

filemap.c

block/mm: make bdev_ops->rw_page() take a bool for read/write

2016-08-07 14:41:02 -06:00

frame_vector.c

mm/gup: Switch all callers of get_user_pages() to not pass tsk/mm

2016-02-16 10:11:12 +01:00

frontswap.c

mm, frontswap: convert frontswap_enabled to static key

2016-07-26 16:19:19 -07:00

gup.c

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2016-08-02 16:11:27 -04:00

highmem.c

mm/highmem: make nr_free_highpages() handles all highmem zones by itself

2016-05-19 19:12:14 -07:00

huge_memory.c

mm: fix show_smap() for zone_device-pmd ranges

2016-09-09 17:34:45 -07:00

hugetlb_cgroup.c

mm, hugetlb_cgroup: round limit_in_bytes down to hugepage size

2016-05-20 17:58:30 -07:00

hugetlb.c

mm/hugetlb: fix incorrect hugepages count during mem hotplug

2016-08-11 16:58:13 -07:00

hwpoison-inject.c

…

init-mm.c

…

internal.h

mm, compaction: simplify contended compaction handling

2016-07-28 16:07:41 -07:00

interval_tree.c

…

Kconfig

mm: clarify COMPACTION Kconfig text

2016-08-26 17:39:35 -07:00

Kconfig.debug

mm/page_ref: add tracepoint to track down page reference manipulation

2016-03-17 15:09:34 -07:00

khugepaged.c

mm, thp: fix leaking mapped pte in __collapse_huge_page_swapin()

2016-09-19 15:36:16 -07:00

kmemcheck.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

kmemleak-test.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

kmemleak.c

kmemleak: don't hang if user disables scanning early

2016-07-28 16:07:41 -07:00

ksm.c

mm: do not pass mm_struct into handle_mm_fault

2016-07-26 16:19:19 -07:00

list_lru.c

mm: memcontrol: move kmem accounting code to CONFIG_MEMCG

2016-01-20 17:09:18 -08:00

maccess.c

x86: remove more uaccess_32.h complexity

2016-05-22 17:21:27 -07:00

madvise.c

mm: make mmap_sem for write waits killable for mm syscalls

2016-05-23 17:04:14 -07:00

Makefile

Merge tag 'usercopy-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

2016-08-08 14:48:14 -07:00

memblock.c

mm/memblock.c: fix NULL dereference error

2016-08-04 20:02:09 -04:00

memcontrol.c

mm: memcontrol: avoid unused function warning

2016-08-26 17:39:35 -07:00

memory_hotplug.c

mem-hotplug: don't clear the only node in new_node_page()

2016-09-19 15:36:16 -07:00

memory-failure.c

mm: hwpoison: remove incorrect comments

2016-07-28 16:07:41 -07:00

memory.c

mm: move swap-in anonymous page into active list

2016-08-02 17:31:41 -04:00

mempolicy.c

mm, mempolicy: task->mempolicy must be NULL before dropping final reference

2016-09-01 17:52:01 -07:00

mempool.c

Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are free elements"

2016-07-28 16:07:41 -07:00

memtest.c

…

migrate.c

mm, thp: remove __GFP_NORETRY from khugepaged and madvised allocations

2016-07-28 16:07:41 -07:00

mincore.c

mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage

2016-04-04 10:41:08 -07:00

mlock.c

mm, vmscan: move LRU lists to node

2016-07-28 16:07:41 -07:00

mm_init.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

mmap.c

mm: refuse wrapped vm_brk requests

2016-08-02 19:35:15 -04:00

mmu_context.c

mm/mmu_context, sched/core: Fix mmu_context.h assumption

2016-04-28 11:44:19 +02:00

mmu_notifier.c

fix Christoph's email addresses

2016-03-17 15:09:34 -07:00

mmzone.c

mm, page_alloc: inline the fast path of the zonelist iterator

2016-05-19 19:12:14 -07:00

mprotect.c

mm: thp: check pmd_trans_unstable() after split_huge_pmd()

2016-07-26 16:19:19 -07:00

mremap.c

mm: thp: check pmd_trans_unstable() after split_huge_pmd()

2016-07-26 16:19:19 -07:00

msync.c

mm/msync: use offset_in_page macro

2015-11-05 19:34:48 -08:00

nobootmem.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

nommu.c

mm: introduce fault_env

2016-07-26 16:19:19 -07:00

oom_kill.c

mm, oom: fix uninitialized ret in task_will_free_mem()

2016-08-11 16:58:14 -07:00

page_alloc.c

mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator

2016-09-01 17:52:01 -07:00

page_counter.c

mm: page_counter: let page_counter_try_charge() return bool

2015-11-05 19:34:48 -08:00

page_ext.c

mm: use early_pfn_to_nid in page_ext_init

2016-05-27 14:49:37 -07:00

page_idle.c

mm, vmscan: move lru_lock to the node

2016-07-28 16:07:41 -07:00

page_io.c

mm: make __swap_writepage() use bio_set_op_attrs()

2016-08-07 14:41:02 -06:00

page_isolation.c

mm/page_isolation: clean up confused code

2016-07-26 16:19:19 -07:00

page_owner.c

mm/page_owner: use stackdepot to store stacktrace

2016-07-26 16:19:19 -07:00

page_poison.c

mm: check the return value of lookup_page_ext for all call sites

2016-06-03 15:06:22 -07:00

page-writeback.c

mm: remove reclaim and compaction retry approximations

2016-07-28 16:07:41 -07:00

pagewalk.c

thp: rename split_huge_page_pmd() to split_huge_pmd()

2016-01-15 17:56:32 -08:00

percpu-km.c

mm: percpu: use pr_fmt to prefix output

2016-03-17 15:09:34 -07:00

percpu-vm.c

…

percpu.c

percpu: fix synchronization between synchronous map extension and chunk destruction

2016-05-25 11:48:25 -04:00

pgtable-generic.c

mm/thp/migration: switch from flush_tlb_range to flush_pmd_tlb_range

2016-03-17 15:09:34 -07:00

process_vm_access.c

mm/gup: Introduce get_user_pages_remote()

2016-02-16 10:04:09 +01:00

quicklist.c

fix Christoph's email addresses

2016-03-17 15:09:34 -07:00

readahead.c

mm: silently skip readahead for DAX inodes

2016-08-26 17:39:35 -07:00

rmap.c

rmap: fix compound check logic in page_remove_file_rmap

2016-08-10 16:40:56 -07:00

shmem.c

thp: move shmem_huge_enabled() outside of SYSFS ifdef

2016-08-10 16:40:56 -07:00

slab_common.c

mm: charge/uncharge kmemcg from generic page allocator paths

2016-07-26 16:19:19 -07:00

slab.c

Merge tag 'usercopy-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

2016-08-08 14:48:14 -07:00

slab.h

mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB

2016-07-28 16:07:41 -07:00

slob.c

mm: slab: free kmem_cache_node after destroy sysfs file

2016-02-18 16:23:24 -08:00

slub.c

mm/slub.c: run free_partial() outside of the kmem_cache_node->list_lock

2016-08-10 16:40:56 -07:00

sparse-vmemmap.c

treewide: replace obsolete _refok by __ref

2016-08-02 17:31:41 -04:00

sparse.c

treewide: replace obsolete _refok by __ref

2016-08-02 17:31:41 -04:00

swap_cgroup.c

mm: convert printk(KERN_<LEVEL> to pr_<level>

2016-03-17 15:09:34 -07:00

swap_state.c

mm: move most file-based accounting to the node

2016-07-28 16:07:41 -07:00

swap.c

mm, pagevec: release/reacquire lru_lock on pgdat change

2016-07-28 16:07:41 -07:00

swapfile.c

mm, frontswap: convert frontswap_enabled to static key

2016-07-26 16:19:19 -07:00

truncate.c

truncate: handle file thp

2016-07-26 16:19:19 -07:00

usercopy.c

usercopy: remove page-spanning test for now

2016-09-07 11:33:26 -07:00

userfaultfd.c

mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros

2016-04-04 10:41:08 -07:00

util.c

mm: move most file-based accounting to the node

2016-07-28 16:07:41 -07:00

vmacache.c

mm/vmacache: inline vmacache_valid_mm()

2015-11-05 19:34:48 -08:00

vmalloc.c

mm: charge/uncharge kmemcg from generic page allocator paths

2016-07-26 16:19:19 -07:00

vmpressure.c

mm/vmpressure.c: fix subtree pressure detection

2016-02-03 08:28:43 -08:00

vmscan.c

mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator

2016-09-01 17:52:01 -07:00

vmstat.c

mm: remove reclaim and compaction retry approximations

2016-07-28 16:07:41 -07:00

workingset.c

mm, workingset: make working set detection node-aware

2016-07-28 16:07:41 -07:00

z3fold.c

mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup

2016-06-03 16:02:55 -07:00

zbud.c

mm/zbud.c: use list_last_entry() instead of list_tail_entry()

2016-01-15 11:40:52 -08:00

zpool.c

mm: zsmalloc: constify struct zs_pool name

2015-11-06 17:50:42 -08:00

zsmalloc.c

zsmalloc: Delete an unnecessary check before the function call "iput"

2016-07-28 16:07:41 -07:00

zswap.c

mm/zswap: use workqueue to destroy pool

2016-05-20 17:58:30 -07:00