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authorVladimir Davydov <vdavydov@virtuozzo.com>2016-03-17 14:17:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-17 15:09:34 -0700
commit27ee57c93ff00b8a2d6c6dd6b0b3dddda7b43b77 (patch)
treea848f3e480c7b486a825c01b2cb6dd09ad79459e /mm/memcontrol.c
parent72b54e7314a2e7a68567c92bbb32fe2598a3c783 (diff)
downloadlinux-27ee57c93ff00b8a2d6c6dd6b0b3dddda7b43b77.tar.bz2
mm: memcontrol: report slab usage in cgroup2 memory.stat
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>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 430266071c36..3ad64bf464fd 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5106,6 +5106,9 @@ static int memory_stat_show(struct seq_file *m, void *v)
(u64)stat[MEM_CGROUP_STAT_RSS] * PAGE_SIZE);
seq_printf(m, "file %llu\n",
(u64)stat[MEM_CGROUP_STAT_CACHE] * PAGE_SIZE);
+ seq_printf(m, "slab %llu\n",
+ (u64)(stat[MEMCG_SLAB_RECLAIMABLE] +
+ stat[MEMCG_SLAB_UNRECLAIMABLE]) * PAGE_SIZE);
seq_printf(m, "sock %llu\n",
(u64)stat[MEMCG_SOCK] * PAGE_SIZE);
@@ -5126,6 +5129,11 @@ static int memory_stat_show(struct seq_file *m, void *v)
mem_cgroup_lru_names[i], (u64)val * PAGE_SIZE);
}
+ seq_printf(m, "slab_reclaimable %llu\n",
+ (u64)stat[MEMCG_SLAB_RECLAIMABLE] * PAGE_SIZE);
+ seq_printf(m, "slab_unreclaimable %llu\n",
+ (u64)stat[MEMCG_SLAB_UNRECLAIMABLE] * PAGE_SIZE);
+
/* Accumulated memory events */
seq_printf(m, "pgfault %lu\n",