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mm: memcontrol: report slab usage in cgroup2 memory.stat

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Show how much memory is used for storing reclaimable and unreclaimable
in-kernel data structures allocated from slab caches.

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 14:17:35 -07:00
committed by Linus Torvalds
parent 72b54e7314
commit 27ee57c93f
6 changed files with 79 additions and 6 deletions
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mm/slub.c
+2 -1
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@@ -1540,7 +1540,8 @@ static void __free_slab(struct kmem_cache *s, struct page *page)
page_mapcount_reset(page);
if (current->reclaim_state)
current->reclaim_state->reclaimed_slab += pages;
__free_kmem_pages(page, order);
memcg_uncharge_slab(page, order, s);
__free_pages(page, order);
}
#define need_reserve_slab_rcu \