The patch titled
Subject: memcg: remove PCG_CACHE page_cgroup flag fix2
has been added to the -mm tree. Its filename is
memcg-remove-pcg_file_mapped-fix-42.patch
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------------------------------------------------------
From: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: memcg: remove PCG_CACHE page_cgroup flag fix2
Add comment to MEM_CGROUP_CHARGE_TYPE_MAPPED case in
__mem_cgroup_uncharge_common().
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN mm/memcontrol.c~memcg-remove-pcg_file_mapped-fix-42 mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-remove-pcg_file_mapped-fix-42
+++ a/mm/memcontrol.c
@@ -2964,6 +2964,11 @@ __mem_cgroup_uncharge_common(struct page
switch (ctype) {
case MEM_CGROUP_CHARGE_TYPE_MAPPED:
+ /*
+ * Generally PageAnon tells if it's the anon statistics to be
+ * updated; but sometimes e.g. mem_cgroup_uncharge_page() is
+ * used before page reached the stage of being marked PageAnon.
+ */
anon = true;
/* fallthrough */
case MEM_CGROUP_CHARGE_TYPE_DROP:
_
Subject: Subject: memcg: remove PCG_CACHE page_cgroup flag fix2
Patches currently in -mm which might be from hughd@xxxxxxxxxx are
linux-next.patch
memcg-fix-deadlock-by-inverting-lrucare-nesting.patch
memcg-fix-gpf-when-cgroup-removal-races-with-last-exit.patch
mm-add-rss-counters-consistency-check.patch
mm-vmscan-fix-misused-nr_reclaimed-in-shrink_mem_cgroup_zone.patch
make-swapin-readahead-skip-over-holes.patch
make-swapin-readahead-skip-over-holes-fix.patch
compact_pgdat-workaround-lockdep-warning-in-kswapd.patch
mm-vmscan-forcibly-scan-highmem-if-there-are-too-many-buffer_heads-pinning-highmem-fix.patch
mm-vmscan-forcibly-scan-highmem-if-there-are-too-many-buffer_heads-pinning-highmem-fix-fix.patch
mm-hugetlb-defer-freeing-pages-when-gathering-surplus-pages.patch
rmap-anon_vma_prepare-reduce-code-duplication-by-calling-anon_vma_chain_link.patch
mm-vmscan-handle-isolated-pages-with-lru-lock-released.patch
mm-hugetlb-bail-out-unmapping-after-serving-reference-page.patch
mm-hugetlb-cleanup-duplicated-code-in-unmapping-vm-range.patch
tmpfs-security-xattr-setting-on-inode-creation.patch
mm-fix-move-migrate_pages-race-on-task-struct.patch
ksm-clean-up-page_trans_compound_anon_split.patch
ksm-cleanup-introduce-ksm_check_mm.patch
ksm-cleanup-introduce-ksm_check_mm-fix.patch
hugetlbfs-drop-taking-inode-i_mutex-lock-from-hugetlbfs_read.patch
memcg-replace-mem_cont-by-mem_res_ctlr.patch
memcg-replace-mem-and-mem_cont-stragglers.patch
memcg-lru_size-instead-of-mem_cgroup_zstat.patch
memcg-enum-lru_list-lru.patch
memcg-remove-redundant-returns.patch
idr-make-idr_get_next-good-for-rcu_read_lock.patch
cgroup-revert-ss_id_lock-to-spinlock.patch
memcg-let-css_get_next-rely-upon-rcu_read_lock.patch
memcg-remove-pcg_cache-page_cgroup-flag.patch
memcg-remove-pcg_cache-page_cgroup-flag-checkpatch-fixes.patch
memcg-remove-pcg_cache-page_cgroup-flag-fix.patch
memcg-remove-pcg_file_mapped-fix-cosmetic-fix.patch
memcg-remove-pcg_file_mapped-fix-42.patch
prio_tree-debugging-patch.patch
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