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authorVladimir Davydov <vdavydov@virtuozzo.com>2016-03-17 14:17:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-17 15:09:34 -0700
commit12580e4b54ba8a1b22ec977c200be0174ca42348 (patch)
tree7af0c8f8aada72d7792a6ec4655437126a3cc321 /mm
parent27ee57c93ff00b8a2d6c6dd6b0b3dddda7b43b77 (diff)
mm: memcontrol: report kernel stack usage in cgroup2 memory.stat
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>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3ad64bf464fd..4b7dda7c2e74 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5106,6 +5106,8 @@ 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, "kernel_stack %llu\n",
+ (u64)stat[MEMCG_KERNEL_STACK] * PAGE_SIZE);
seq_printf(m, "slab %llu\n",
(u64)(stat[MEMCG_SLAB_RECLAIMABLE] +
stat[MEMCG_SLAB_UNRECLAIMABLE]) * PAGE_SIZE);