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mm: memcontrol: report kernel stack usage in cgroup2 memory.stat

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Show how much memory is allocated to kernel stacks.

Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vladimir Davydov 2016-03-17 14:17:38 -07:00 • committed by Linus Torvalds
commit 12580e4b54
4 changed files with 17 additions and 2 deletions
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3
include/linux/memcontrol.h
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@ -52,9 +52,10 @@ enum mem_cgroup_stat_index {
MEM_CGROUP_STAT_SWAP, /* # of pages, swapped out */
MEM_CGROUP_STAT_NSTATS,
/* default hierarchy stats */
MEMCG_SOCK = MEM_CGROUP_STAT_NSTATS,
MEMCG_KERNEL_STACK = MEM_CGROUP_STAT_NSTATS,
MEMCG_SLAB_RECLAIMABLE,
MEMCG_SLAB_UNRECLAIMABLE,
MEMCG_SOCK,
MEMCG_NR_STAT,
};