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linux/mm
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zhong jiang 6213055f2c mm,ksm: add __GFP_HIGH to the allocation in alloc_stable_node() 
According to Hugh's suggestion, alloc_stable_node() with GFP_KERNEL can
in rare cases cause a hung task warning.

At present, if alloc_stable_node() allocation fails, two break_cows may
want to allocate a couple of pages, and the issue will come up when free
memory is under pressure.

We fix it by adding __GFP_HIGH to GFP, to grant access to memory
reserves, increasing the likelihood of allocation success.

[akpm@linux-foundation.org: tweak comment]
Link: http://lkml.kernel.org/r/1474354484-58233-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Suggested-by: Hugh Dickins <hughd@google.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-07 18:46:29 -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/bootmem.c: replace kzalloc() by kzalloc_node()
2016-10-07 18:46:28 -07:00
cleancache.c
…
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: restrict fragindex to costly orders
2016-10-07 18:46:29 -07:00
debug_page_ref.c
…
debug.c
mm: avoid endless recursion in dump_page()
2016-09-19 15:36:16 -07:00
dmapool.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
early_ioremap.c
…
fadvise.c
mm/fadvise.c: do not discard partial pages with POSIX_FADV_DONTNEED
2016-06-09 14:23:11 -07:00
failslab.c
…
filemap.c
do_generic_file_read(): fail immediately if killed
2016-10-07 18:46:27 -07:00
frame_vector.c
…
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
- ARM: GICv3 ITS emulation and various fixes. Removal of the old
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
thp: reduce usage of huge zero page's atomic counter
2016-10-07 18:46:28 -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: improve locking in dissolve_free_huge_pages()
2016-10-07 18:46:29 -07:00
hwpoison-inject.c
…
init-mm.c
…
internal.h
mm, compaction: make full priority ignore pageblock suitability
2016-10-07 18:46:29 -07:00
interval_tree.c
…
Kconfig
mm: clarify COMPACTION Kconfig text
2016-08-26 17:39:35 -07:00
Kconfig.debug
PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO
2016-09-13 02:35:27 +02:00
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,ksm: add __GFP_HIGH to the allocation in alloc_stable_node()
2016-10-07 18:46:29 -07:00
list_lru.c
…
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
Implements HARDENED_USERCOPY verification of copy_to_user/copy_from_user
2016-08-08 14:48:14 -07:00
memblock.c
mm/memblock.c: expose total reserved memory
2016-10-07 18:46:28 -07:00
memcontrol.c
mm: memcontrol: consolidate cgroup socket tracking
2016-10-07 18:46:29 -07:00
memory_hotplug.c
mm/hugetlb: check for reserved hugepages during memory offline
2016-10-07 18:46:29 -07:00
memory-failure.c
mm: hwpoison: remove incorrect comments
2016-07-28 16:07:41 -07:00
memory.c
mm: fix cache mode tracking in vm_insert_mixed()
2016-10-07 18:46:28 -07:00
mempolicy.c
mm: use zonelist name instead of using hardcoded index
2016-10-07 18:46:28 -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, swap: use offset of swap entry as key of swap cache
2016-10-07 18:46:28 -07:00
mlock.c
mm: mlock: avoid increase mm->locked_vm on mlock() when already mlock2(,MLOCK_ONFAULT)
2016-10-07 18:46:28 -07:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-10-03 17:29:01 -07:00
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
…
nobootmem.c
mm: nobootmem: move the comment of free_all_bootmem
2016-10-07 18:46:29 -07:00
nommu.c
mm: introduce fault_env
2016-07-26 16:19:19 -07:00
oom_kill.c
mm: don't emit warning from pagefault_out_of_memory()
2016-10-07 18:46:29 -07:00
page_alloc.c
mm, page_alloc: pull no_progress_loops update to should_reclaim_retry()
2016-10-07 18:46:29 -07:00
page_counter.c
…
page_ext.c
mm/page_ext: support extra space allocation by page_ext user
2016-10-07 18:46:27 -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/page_io.c: replace some BUG_ON()s with VM_BUG_ON_PAGE()
2016-10-07 18:46:29 -07:00
page_isolation.c
mm/page_isolation: fix typo: "paes" -> "pages"
2016-10-07 18:46:29 -07:00
page_owner.c
mm/page_owner: don't define fields on struct page_ext by hard-coding
2016-10-07 18:46:27 -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: don't use radix tree writeback tags for pages in swap cache
2016-10-07 18:46:28 -07:00
pagewalk.c
…
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
…
process_vm_access.c
…
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
mm/shmem.c: constify anon_ops
2016-10-07 18:46:29 -07:00
slab_common.c
mm: charge/uncharge kmemcg from generic page allocator paths
2016-07-26 16:19:19 -07:00
slab.c
slab: Convert to hotplug state machine
2016-09-06 18:30:20 +02:00
slab.h
mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
2016-07-28 16:07:41 -07:00
slob.c
…
slub.c
slub: Convert to hotplug state machine
2016-09-06 18:30:20 +02:00
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, swap: use offset of swap entry as key of swap cache
2016-10-07 18:46:28 -07:00
swap.c
thp: reduce usage of huge zero page's atomic counter
2016-10-07 18:46:28 -07:00
swapfile.c
mm, swap: use offset of swap entry as key of swap cache
2016-10-07 18:46:28 -07:00
truncate.c
truncate: handle file thp
2016-07-26 16:19:19 -07:00
usercopy.c
mm: usercopy: Check for module addresses
2016-09-20 16:07:39 -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: unrig VMA cache hit ratio
2016-10-07 18:46:27 -07:00
vmalloc.c
mm/vmalloc.c: fix align value calculation error
2016-10-07 18:46:26 -07:00
vmpressure.c
…
vmscan.c
mm: use zonelist name instead of using hardcoded index
2016-10-07 18:46:28 -07:00
vmstat.c
cpu: fix node state for whether it contains CPU
2016-10-07 18:46:28 -07:00
workingset.c
mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()
2016-09-30 15:26:52 -07:00
z3fold.c
mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup
2016-06-03 16:02:55 -07:00
zbud.c
…
zpool.c
…
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