diff options
| author | Yang Shi <[email protected]> | 2020-04-01 21:10:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-04-02 09:35:31 -0700 |
| commit | d8a1c03ff797050b4310bd34b5ef5c0d5c7491e6 (patch) | |
| tree | 4ac8ad5edffb4788e798dcfc5e5afed3b9544a0d | |
| parent | 565dc842313fde3d0a2e817f96b42bd6a1eb0cad (diff) | |
mm: vmpressure: use mem_cgroup_is_root API
Use mem_cgroup_is_root() API to check if memcg is root memcg instead of
open coding.
Signed-off-by: Yang Shi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Acked-by: David Rientjes <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/vmpressure.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 0590f0033448..d69019fc3789 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -280,7 +280,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree, enum vmpressure_levels level; /* For now, no users for root-level efficiency */ - if (!memcg || memcg == root_mem_cgroup) + if (!memcg || mem_cgroup_is_root(memcg)) return; spin_lock(&vmpr->sr_lock); |