The patch titled
Subject: mm: vmpressure: use mem_cgroup_is_root API
has been added to the -mm tree. Its filename is
mm-vmpressure-use-mem_cgroup_is_root-api.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmpressure-use-mem_cgroup_is_root-api.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmpressure-use-mem_cgroup_is_root-api.patch
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------------------------------------------------------
From: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Subject: 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.
Link: http://lkml.kernel.org/r/1581398649-125989-2-git-send-email-yang.shi@xxxxxxxxxxxxxxxxx
Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmpressure.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmpressure.c~mm-vmpressure-use-mem_cgroup_is_root-api
+++ a/mm/vmpressure.c
@@ -280,7 +280,7 @@ void vmpressure(gfp_t gfp, struct mem_cg
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);
_
Patches currently in -mm which might be from yang.shi@xxxxxxxxxxxxxxxxx are
mm-vmpressure-dont-need-call-kfree-if-kstrndup-fails.patch
mm-vmpressure-use-mem_cgroup_is_root-api.patch
