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Yafang Shao 4d8bdf7f3a mm/compaction.c: clear total_{migrate,free}_scanned before scanning a new zone 
[ Upstream commit a94b525241c0fff3598809131d7cfcfe1d572d8c ]

total_{migrate,free}_scanned will be added to COMPACTMIGRATE_SCANNED and
COMPACTFREE_SCANNED in compact_zone().  We should clear them before
scanning a new zone.  In the proc triggered compaction, we forgot clearing
them.

[laoar.shao@gmail.com: introduce a helper compact_zone_counters_init()]
  Link: http://lkml.kernel.org/r/1563869295-25748-1-git-send-email-laoar.shao@gmail.com
[akpm@linux-foundation.org: expand compact_zone_counters_init() into its single callsite, per mhocko]
[vbabka@suse.cz: squash compact_zone() list_head init as well]
  Link: http://lkml.kernel.org/r/1fb6f7da-f776-9e42-22f8-bbb79b030b98@suse.cz
[akpm@linux-foundation.org: kcompactd_do_work(): avoid unnecessary initialization of cc.zone]
Link: http://lkml.kernel.org/r/1563789275-9639-1-git-send-email-laoar.shao@gmail.com
Fixes: 7f354a548d ("mm, compaction: add vmstats for kcompactd work")
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: Yafang Shao <shaoyafang@didiglobal.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-10-05 13:10:13 +02:00
..
kasan kernel/memremap, kasan: make ZONE_DEVICE with work with KASAN 2018-08-17 16:20:30 -07:00
backing-dev.c writeback: synchronize sync(2) against cgroup writeback membership switches 2019-03-05 17:58:50 +01:00
balloon_compaction.c
bootmem.c docs/mm: bootmem: add overview documentation 2018-08-02 12:17:27 -06:00
cleancache.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
cma.c mm/cma.c: fail if fixed declaration can't be honored 2019-08-06 19:06:51 +02:00
cma.h
cma_debug.c mm/cma_debug.c: fix the break condition in cma_maxchunk_get() 2019-06-15 11:54:01 +02:00
compaction.c mm/compaction.c: clear total_{migrate,free}_scanned before scanning a new zone 2019-10-05 13:10:13 +02:00
debug.c mm: get rid of vmacache_flush_all() entirely 2018-09-13 15:18:04 -10:00
debug_page_ref.c
dmapool.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
early_ioremap.c
fadvise.c vfs: implement readahead(2) using POSIX_FADV_WILLNEED 2018-08-30 20:01:32 +02:00
failslab.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
filemap.c mm: add filemap_fdatawait_range_keep_errors() 2019-07-28 08:29:29 +02:00
frame_vector.c
frontswap.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
gup.c mm/gup.c: remove some BUG_ONs from get_gate_page() 2019-07-31 07:27:08 +02:00
gup_benchmark.c mm/gup_benchmark: fix unsigned comparison to zero in __gup_benchmark_ioctl 2018-10-05 16:32:04 -07:00
highmem.c
hmm.c mm, hmm: mark hmm_devmem_{add, add_resource} EXPORT_SYMBOL_GPL 2019-01-13 09:51:04 +01:00
huge_memory.c mm, page_owner: handle THP splits correctly 2019-08-29 08:28:57 +02:00
hugetlb.c mm: hugetlb: soft-offline: dissolve_free_huge_page() return zero on !PageHuge 2019-07-03 13:14:45 +02:00
hugetlb_cgroup.c mm: rename page_counter's count/limit into usage/max 2018-06-07 17:34:35 -07:00
hwpoison-inject.c
init-mm.c mm: Allocate the mm_cpumask (mm->cpu_bitmap[]) dynamically based on nr_cpu_ids 2018-07-17 09:35:30 +02:00
internal.h mm: Change return type int to vm_fault_t for fault handlers 2018-08-23 18:48:44 -07:00
interval_tree.c
Kconfig mm/hmm: select mmu notifier when selecting HMM 2019-06-15 11:54:00 +02:00
Kconfig.debug mm: clarify CONFIG_PAGE_POISONING and usage 2018-08-22 10:52:44 -07:00
khugepaged.c coredump: fix race condition between collapse_huge_page() and core dumping 2019-06-22 08:15:21 +02:00
kmemleak-test.c
kmemleak.c Revert "kmemleak: allow to coexist with fault injection" 2019-08-25 10:47:58 +02:00
ksm.c include/linux/compiler*.h: make compiler-*.h mutually exclusive 2018-08-22 17:31:34 -07:00
list_lru.c mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node 2019-06-19 08:17:59 +02:00
maccess.c
madvise.c mm: madvise(MADV_DODUMP): allow hugetlbfs pages 2018-10-05 16:32:05 -07:00
Makefile vfs: implement readahead(2) using POSIX_FADV_WILLNEED 2018-08-30 20:01:32 +02:00
memblock.c mm/memblock.c: replace u64 with phys_addr_t where appropriate 2018-08-17 16:20:30 -07:00
memcontrol.c memcg, kmem: do not fail __GFP_NOFAIL charges 2019-10-05 13:10:08 +02:00
memfd.c alloc_file(): switch to passing O_... flags instead of FMODE_... mode 2018-07-12 10:02:57 -04:00
memory-failure.c mm: hugetlb: soft-offline: dissolve_free_huge_page() return zero on !PageHuge 2019-07-03 13:14:45 +02:00
memory.c mm: use down_read_killable for locking mmap_sem in access_remote_vm 2019-07-31 07:27:09 +02:00
memory_hotplug.c mm/memory_hotplug.c: drop memory device reference after find_memory_block() 2019-05-16 19:41:25 +02:00
mempolicy.c mm: mempolicy: handle vma with unmovable pages mapped correctly in mbind 2019-08-25 10:47:44 +02:00
mempool.c mm/mempool.c: add missing parameter description 2018-08-22 10:52:44 -07:00
memtest.c
migrate.c mm/migrate.c: initialize pud_entry in migrate_vma() 2019-09-16 08:22:22 +02:00
mincore.c mm/mincore.c: make mincore() more conservative 2019-05-22 07:37:40 +02:00
mlock.c mm/mlock.c: change count_mm_mlocked_page_nr return type 2019-07-10 09:53:40 +02:00
mm_init.c mm: access zone->node via zone_to_nid() and zone_set_nid() 2018-08-22 10:52:45 -07:00
mmap.c coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping 2019-04-27 09:36:37 +02:00
mmu_context.c
mmu_notifier.c mm/mmu_notifier: use hlist_add_head_rcu() 2019-07-31 07:27:08 +02:00
mmzone.c
mprotect.c x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings 2018-06-20 19:10:01 +02:00
mremap.c mremap: properly flush TLB before releasing the page 2018-10-18 11:30:52 +02:00
msync.c
nobootmem.c mm/memblock: add a name for memblock flags enumeration 2018-08-02 12:17:27 -06:00
nommu.c mm: use down_read_killable for locking mmap_sem in access_remote_vm 2019-07-31 07:27:09 +02:00
oom_kill.c memcg, oom: don't require __GFP_FS when invoking memcg OOM killer 2019-10-05 13:10:07 +02:00
page-writeback.c mm/page-writeback.c: don't break integrity writeback on ->writepage() error 2019-01-26 09:32:43 +01:00
page_alloc.c mem-hotplug: fix node spanned pages when we have a node with only ZONE_MOVABLE 2019-06-15 11:54:00 +02:00
page_counter.c memcg: introduce memory.min 2018-06-07 17:34:36 -07:00
page_ext.c mm/page_ext.c: fix an imbalance with kmemleak 2019-04-05 22:32:58 +02:00
page_idle.c mm/page_idle.c: fix oops because end_pfn is larger than max_pfn 2019-07-03 13:14:45 +02:00
page_io.c swap,blkcg: issue swap io with the appropriate context 2018-07-09 09:07:54 -06:00
page_isolation.c
page_owner.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
page_poison.c page_poison: play nicely with KASAN 2019-04-05 22:32:59 +02:00
page_vma_mapped.c mm/rmap: map_pte() was not handling private ZONE_DEVICE page properly 2018-11-13 11:08:46 -08:00
pagewalk.c
percpu-internal.h
percpu-km.c percpu: convert spin_lock_irq to spin_lock_irqsave. 2019-02-12 19:47:12 +01:00
percpu-stats.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
percpu-vm.c
percpu.c percpu: do not search past bitmap when allocating an area 2019-06-15 11:54:11 +02:00
pgtable-generic.c
process_vm_access.c
quicklist.c
readahead.c vfs: implement readahead(2) using POSIX_FADV_WILLNEED 2018-08-30 20:01:32 +02:00
rmap.c mm/hmm: fix bad subpage pointer in try_to_unmap_one 2019-08-25 10:47:43 +02:00
rodata_test.c
shmem.c tmpfs: fix uninitialized return value in shmem_link 2019-03-23 20:09:52 +01:00
slab.c mm/slab.c: fix an infinite loop in leaks_show() 2019-06-15 11:54:01 +02:00
slab.h mm: add support for kmem caches in DMA32 zone 2019-04-03 06:26:28 +02:00
slab_common.c mm: add support for kmem caches in DMA32 zone 2019-04-03 06:26:28 +02:00
slob.c slab: __GFP_ZERO is incompatible with a constructor 2018-06-07 17:34:34 -07:00
slub.c mm: add support for kmem caches in DMA32 zone 2019-04-03 06:26:28 +02:00
sparse-vmemmap.c mm/sparse: delete old sparse_init and enable new one 2018-08-17 16:20:32 -07:00
sparse.c mm/sparse: fix a bad comparison 2019-04-05 22:32:58 +02:00
swap.c mm/swap: fix release_pages() when releasing devmap pages 2019-07-31 07:27:03 +02:00
swap_cgroup.c
swap_slots.c mm, swap, get_swap_pages: use entry_size instead of cluster in parameter 2018-08-22 10:52:44 -07:00
swap_state.c treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
swapfile.c mm, swap: bounds check swap_info array accesses to avoid NULL derefs 2019-04-05 22:32:58 +02:00
truncate.c mm: cleancache: fix corruption on missed inode invalidation 2018-12-05 19:32:13 +01:00
usercopy.c mm/usercopy: use memory range to be accessed for wraparound check 2019-08-25 10:47:44 +02:00
userfaultfd.c hugetlb: use same fault hash key for shared and private mappings 2019-05-22 07:37:40 +02:00
util.c mm: page_mapped: don't assume compound page is huge or THP 2019-01-16 22:04:36 +01:00
vmacache.c mm: get rid of vmacache_flush_all() entirely 2018-09-13 15:18:04 -10:00
vmalloc.c mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy() 2019-08-16 10:12:40 +02:00
vmpressure.c mm/vmpressure.c: convert to use match_string() helper 2018-06-07 17:34:36 -07:00
vmscan.c mm: vmscan: check if mem cgroup is disabled or not before calling memcg slab shrinker 2019-08-06 19:06:54 +02:00
vmstat.c mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n 2019-04-27 09:36:40 +02:00
workingset.c mm/list_lru: introduce list_lru_shrink_walk_irq() 2018-08-17 16:20:32 -07:00
z3fold.c z3fold: fix possible reclaim races 2018-12-01 09:37:33 +01:00
zbud.c
zpool.c
zsmalloc.c mm/zsmalloc.c: fix build when CONFIG_COMPACTION=n 2019-09-06 10:22:08 +02:00
zswap.c zswap: re-check zswap_is_full() after do zswap_shrink() 2018-07-26 19:38:03 -07:00