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Andrew Morton 91b57191cf mm/vmpressure.c: fix race in vmpressure_work_fn() 
In some android devices, there will be a "divide by zero" exception.
vmpr->scanned could be zero before spin_lock(&vmpr->sr_lock).

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=88051

[akpm@linux-foundation.org: neaten]
Reported-by: ji_ang <ji_ang@163.com>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-02 17:32:07 -08:00
..
backing-dev.c
Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block
2014-10-18 11:53:51 -07:00
balloon_compaction.c
mm/balloon_compaction: fix deflation when compaction is disabled
2014-10-29 16:33:15 -07:00
bootmem.c
mem-hotplug: reset node managed pages when hot-adding a new pgdat
2014-11-13 16:17:06 -08:00
cleancache.c
mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE
2014-01-23 16:36:50 -08:00
cma.c
mm: cma: Use %pa to print physical addresses
2014-10-27 13:00:55 +01:00
compaction.c
mm, compaction: prevent infinite loop in compact_zone
2014-11-13 16:17:06 -08:00
debug-pagealloc.c
…
debug.c
mm/debug.c: use pr_emerg()
2014-10-09 22:25:59 -04:00
dmapool.c
mm/dmapool.c: fixed a brace coding style issue
2014-10-09 22:26:00 -04:00
early_ioremap.c
mm: create generic early_ioremap() support
2014-04-07 16:36:15 -07:00
fadvise.c
…
failslab.c
…
filemap_xip.c
seqcount: Add lockdep functionality to seqcount/seqlock structures
2013-11-06 12:40:26 +01:00
filemap.c
mm/filemap.c: remove trailing whitespace
2014-10-09 22:26:00 -04:00
fremap.c
mm: mark remap_file_pages() syscall as deprecated
2014-06-06 16:08:17 -07:00
frontswap.c
mm: frontswap: invalidate expired data on a dup-store failure
2014-12-02 17:32:07 -08:00
gup.c
mm: introduce a general RCU get_user_pages_fast()
2014-10-09 22:26:00 -04:00
highmem.c
mm/highmem: make kmap cache coloring aware
2014-08-06 18:01:22 -07:00
huge_memory.c
mm, thp: fix collapsing of hugepages on madvise
2014-10-29 16:33:14 -07:00
hugetlb_cgroup.c
hugetlb_cgroup: use lockdep_assert_held rather than spin_is_locked
2014-08-29 16:28:16 -07:00
hugetlb.c
mm: convert a few VM_BUG_ON callers to VM_BUG_ON_VMA
2014-10-09 22:25:57 -04:00
hwpoison-inject.c
mm/hwpoison-inject.c: remove unnecessary null test before debugfs_remove_recursive
2014-08-06 18:01:19 -07:00
init-mm.c
…
internal.h
mm/page_alloc: restrict max order of merging on isolated pageblock
2014-11-13 16:17:05 -08:00
interval_tree.c
mm: convert a few VM_BUG_ON callers to VM_BUG_ON_VMA
2014-10-09 22:25:57 -04:00
iov_iter.c
Fix thinko in iov_iter_single_seg_count
2014-11-13 13:28:55 -05:00
Kconfig
mm/balloon_compaction: add vmstat counters and kpageflags bit
2014-10-09 22:26:01 -04:00
Kconfig.debug
…
kmemcheck.c
mm/slab_common: move kmem_cache definition to internal header
2014-10-09 22:25:50 -04:00
kmemleak-test.c
mm/kmemleak-test.c: use pr_fmt for logging
2014-06-06 16:08:18 -07:00
kmemleak.c
mm: introduce kmemleak_update_trace()
2014-06-06 16:08:17 -07:00
ksm.c
mm: ksm use pr_err instead of printk
2014-10-09 22:26:00 -04:00
list_lru.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
maccess.c
…
madvise.c
mm: update the description for madvise_remove
2014-08-06 18:01:18 -07:00
Makefile
Fixup for 3.18: use PATCHv2 of "mm: Support compiling out madvise and fadvise"
2014-10-12 09:21:57 -04:00
memblock.c
mem-hotplug: let memblock skip the hotpluggable memory regions in __next_mem_range()
2014-09-10 15:42:12 -07:00
memcontrol.c
mm: memcontrol: fix missed end-writeback page accounting
2014-10-29 16:33:15 -07:00
memory_hotplug.c
mem-hotplug: reset node present pages when hot-adding a new pgdat
2014-11-13 16:17:06 -08:00
memory-failure.c
cgroup: remove redundant check in cgroup_ino()
2014-09-19 09:16:23 -04:00
memory.c
zap_pte_range: update addr when forcing flush after TLB batching faiure
2014-10-28 13:16:28 -07:00
mempolicy.c
mm: mempolicy: skip inaccessible VMAs when setting MPOL_MF_LAZY
2014-10-09 22:26:02 -04:00
mempool.c
mm/mempool.c: update the kmemleak stack trace for mempool allocations
2014-06-06 16:08:17 -07:00
migrate.c
mm/balloon_compaction: redesign ballooned pages management
2014-10-09 22:26:01 -04:00
mincore.c
mm + fs: prepare for non-page entries in page cache radix trees
2014-04-03 16:21:00 -07:00
mlock.c
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-10-13 15:44:12 +02:00
mm_init.c
mm: bring back /sys/kernel/mm
2014-01-27 21:02:39 -08:00
mmap.c
mm, thp: fix collapsing of hugepages on madvise
2014-10-29 16:33:14 -07:00
mmu_context.c
sched/mm: call finish_arch_post_lock_switch in idle_task_exit and use_mm
2014-02-21 08:50:17 +01:00
mmu_notifier.c
kvm: Fix page ageing bugs
2014-09-24 14:07:58 +02:00
mmzone.c
mm: numa: Change page last {nid,pid} into {cpu,pid}
2013-10-09 14:47:45 +02:00
mprotect.c
mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared
2014-10-14 02:18:28 +02:00
mremap.c
mm/mremap.c: use linux headers
2014-10-09 22:26:00 -04:00
msync.c
msync: fix incorrect fstart calculation
2014-07-03 09:21:53 -07:00
nobootmem.c
mem-hotplug: reset node managed pages when hot-adding a new pgdat
2014-11-13 16:17:06 -08:00
nommu.c
percpu_counter: add @gfp to percpu_counter_init()
2014-09-08 09:51:29 +09:00
oom_kill.c
OOM, PM: OOM killed task shouldn't escape PM suspend
2014-10-21 23:44:21 +02:00
page_alloc.c
mm/debug-pagealloc: correct freepage accounting and order resetting
2014-11-13 16:17:06 -08:00
page_cgroup.c
cgroup/kmemleak: add kmemleak_free() for cgroup deallocations.
2014-10-29 16:33:13 -07:00
page_io.c
fix __swap_writepage() compile failure on old gcc versions
2014-06-14 19:30:48 -05:00
page_isolation.c
mm/page_alloc: restrict max order of merging on isolated pageblock
2014-11-13 16:17:05 -08:00
page-writeback.c
mm: memcontrol: fix missed end-writeback page accounting
2014-10-29 16:33:15 -07:00
pagewalk.c
mm: use VM_BUG_ON_MM where possible
2014-10-09 22:25:58 -04:00
percpu-km.c
percpu: implmeent pcpu_nr_empty_pop_pages and chunk->nr_populated
2014-09-02 14:46:05 -04:00
percpu-vm.c
percpu: move region iterations out of pcpu_[de]populate_chunk()
2014-09-02 14:46:02 -04:00
percpu.c
percpu: fix how @gfp is interpreted by the percpu allocator
2014-10-08 12:01:52 -04:00
pgtable-generic.c
mm: actually clear pmd_numa before invalidating
2014-08-29 16:28:15 -07:00
process_vm_access.c
start adding the tag to iov_iter
2014-05-06 17:32:49 -04:00
quicklist.c
…
readahead.c
mm/readahead.c: remove unused file_ra_state from count_history_pages
2014-08-06 18:01:15 -07:00
rmap.c
mm: rmap: split out page_remove_file_rmap()
2014-10-29 16:33:15 -07:00
shmem.c
shmem: support RENAME_WHITEOUT
2014-10-24 00:14:37 +02:00
slab_common.c
mm/slab: fix unalignment problem on Malta with EVA due to slab merge
2014-11-13 16:17:05 -08:00
slab.c
mm/slab: fix unaligned access on sparc64
2014-10-14 02:18:12 +02:00
slab.h
mm/slab: use percpu allocator for cpu cache
2014-10-09 22:25:51 -04:00
slob.c
mm/sl[ao]b: always track caller in kmalloc_(node_)track_caller()
2014-10-09 22:25:50 -04:00
slub.c
mm/slab_common: commonize slab merge logic
2014-10-09 22:25:51 -04:00
sparse-vmemmap.c
mm/sparse: use memblock apis for early memory allocations
2014-01-21 16:19:47 -08:00
sparse.c
mm: use macros from compiler.h instead of __attribute__((...))
2014-04-07 16:35:54 -07:00
swap_state.c
mm: memcontrol: do not kill uncharge batching in free_pages_and_swap_cache
2014-10-09 22:25:59 -04:00
swap.c
mm: memcontrol: do not kill uncharge batching in free_pages_and_swap_cache
2014-10-09 22:25:59 -04:00
swapfile.c
mm: memcontrol: rewrite uncharge API
2014-08-08 15:57:17 -07:00
truncate.c
mm: Fix comment before truncate_setsize()
2014-11-07 08:29:25 +11:00
util.c
proc/maps: make vm_is_stack() logic namespace-friendly
2014-10-09 22:25:50 -04:00
vmacache.c
mm,vmacache: optimize overflow system-wide flushing
2014-06-04 16:53:57 -07:00
vmalloc.c
mm/vmalloc.c: use seq_open_private() instead of seq_open()
2014-10-09 22:25:56 -04:00
vmpressure.c
mm/vmpressure.c: fix race in vmpressure_work_fn()
2014-12-02 17:32:07 -08:00
vmscan.c
mm: memcontrol: fix transparent huge page allocations under pressure
2014-10-09 22:25:59 -04:00
vmstat.c
vmstat: on-demand vmstat workers V8
2014-10-09 22:26:02 -04:00
workingset.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
zbud.c
zbud: avoid accessing last unused freelist
2014-10-09 22:26:03 -04:00
zpool.c
mm/zpool: use prefixed module loading
2014-08-29 16:28:16 -07:00
zsmalloc.c
zsmalloc: simplify init_zspage free obj linking
2014-10-09 22:26:03 -04:00
zswap.c
mm/zswap.c: add __init to zswap_entry_cache_destroy()
2014-08-08 15:57:18 -07:00