Messages in this thread Patch in this message | | | From | Yang Shi <> | Subject | [PATCH 2/2] mm: vmpressure: use mem_cgroup_is_root API | Date | Tue, 11 Feb 2020 13:24:09 +0800 |
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Use mem_cgroup_is_root() API to check if memcg is root memcg instead of open coding.
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com> --- mm/vmpressure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 0590f00..d69019f 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); -- 1.8.3.1
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