xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm: workingset: make shadow node shrinker memcg aware

Browse Source 
Workingset code was recently made memcg aware, but shadow node shrinker
is still global.  As a result, one small cgroup can consume all memory
available for shadow nodes, possibly hurting other cgroups by reclaiming
their shadow nodes, even though reclaim distances stored in its shadow
nodes have no effect.  To avoid this, we need to make shadow node
shrinker memcg aware.

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 14:18:42 -07:00
committed by Linus Torvalds
parent cdcbb72ebf
commit 0a6b76dd23
3 changed files with 19 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
mm/memcontrol.c
View File

@@ -638,9 +638,8 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *memcg,
__this_cpu_add(memcg->stat->nr_page_events, nr_pages);
}
static unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
int nid,
unsigned int lru_mask)
unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
int nid, unsigned int lru_mask)
{
unsigned long nr = 0;
int zid;