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Subject[PATCH 1/2] memcg: remove -EINTR at rmdir()
2 follow-up patches for "memcg: move charges to root cgroup if use_hierarchy=0",
developped/tested onto memcg-devel tree. Maybe no HUNK with -next and -mm....
-Kame
==
memcg: remove -EINTR at rmdir()

By commit "memcg: move charges to root cgroup if use_hierarchy=0",
no memory reclaiming will occur at removing memory cgroup.

So, we don't need to take care of user interrupt by signal. This
patch removes it.
(*) If -EINTR is returned here, cgroup will show WARNING.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
---
mm/memcontrol.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 0623300..cf8a0f6 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3890,9 +3890,6 @@ move_account:
ret = -EBUSY;
if (cgroup_task_count(cgrp) || !list_empty(&cgrp->children))
goto out;
- ret = -EINTR;
- if (signal_pending(current))
- goto out;
/* This is for making all *used* pages to be on LRU. */
lru_add_drain_all();
drain_all_stock_sync(memcg);
--
1.7.4.1



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