The patch titled
memcg: hierarchy avoid unnecessary reclaim
has been removed from the -mm tree. Its filename was
memcg-hierarchy-avoid-unnecessary-reclaim.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: memcg: hierarchy avoid unnecessary reclaim
From: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
If hierarchy is not used, no tree-walk is necessary.
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Cc: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hugh@xxxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/memcontrol.c~memcg-hierarchy-avoid-unnecessary-reclaim mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-hierarchy-avoid-unnecessary-reclaim
+++ a/mm/memcontrol.c
@@ -606,6 +606,8 @@ static int mem_cgroup_hierarchical_recla
ret = try_to_free_mem_cgroup_pages(root_mem, gfp_mask, noswap);
if (mem_cgroup_check_under_limit(root_mem))
return 0;
+ if (!root_mem->use_hierarchy)
+ return ret;
next_mem = mem_cgroup_get_first_node(root_mem);
_
Patches currently in -mm which might be from nishimura@xxxxxxxxxxxxxxxxx are
origin.patch
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