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authorMuchun Song <songmuchun@bytedance.com>2021-02-24 23:04:26 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-25 00:38:30 +0300
commit96403bfe50c344b587ea53894954a9d152af1c9d (patch)
tree6a40d44c33e32f4b69496d0238b3a000816866fd /kernel/params.c
parent1685bde6b9af55923180a76152036c7fb7176db0 (diff)
downloadlinux-96403bfe50c344b587ea53894954a9d152af1c9d.tar.xz
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>
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