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mm: memcontrol: add "sock" to cgroup2 memory.stat

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Provide statistics on how much of a cgroup's memory footprint is made up
of socket buffers from network connections owned by the group.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Cc: Tejun Heo <tj@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:
Johannes Weiner
2016-01-20 15:03:22 -08:00
committed by Linus Torvalds
parent 587d9f726a
commit b2807f07f4
2 changed files with 10 additions and 1 deletions
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5
include/linux/memcontrol.h
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@@ -50,6 +50,9 @@ enum mem_cgroup_stat_index {
MEM_CGROUP_STAT_WRITEBACK, /* # of pages under writeback */
MEM_CGROUP_STAT_SWAP, /* # of pages, swapped out */
MEM_CGROUP_STAT_NSTATS,
/* default hierarchy stats */
MEMCG_SOCK,
MEMCG_NR_STAT,
};
struct mem_cgroup_reclaim_cookie {
@@ -87,7 +90,7 @@ enum mem_cgroup_events_target {
#ifdef CONFIG_MEMCG
struct mem_cgroup_stat_cpu {
long count[MEM_CGROUP_STAT_NSTATS];
long count[MEMCG_NR_STAT];
unsigned long events[MEMCG_NR_EVENTS];
unsigned long nr_page_events;
unsigned long targets[MEM_CGROUP_NTARGETS];