mm: memcontrol: fix slub memory accounting
authorMuchun Song <songmuchun@bytedance.com>
Wed, 24 Feb 2021 20:04:26 +0000 (12:04 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 24 Feb 2021 21:38:30 +0000 (13:38 -0800)
commit96403bfe50c344b587ea53894954a9d152af1c9d
tree6a40d44c33e32f4b69496d0238b3a000816866fd
parent1685bde6b9af55923180a76152036c7fb7176db0
mm: memcontrol: fix slub memory accounting

SLUB currently account kmalloc() and kmalloc_node() allocations larger
than order-1 page per-node.  But it forget to update the per-memcg
vmstats.  So it can lead to inaccurate statistics of "slab_unreclaimable"
which is from memory.stat.  Fix it by using mod_lruvec_page_state instead
of mod_node_page_state.

Link: https://lkml.kernel.org/r/20210223092423.42420-1-songmuchun@bytedance.com
Fixes: 6a486c0ad4dc ("mm, sl[ou]b: improve memory accounting")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/slab_common.c
mm/slub.c