[PATCH] mm: memcontrol: drop unnecessary task_will_free_mem() check.

[Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>]

Since mem_cgroup_out_of_memory() is called by
mem_cgroup_oom_synchronize(true) via pagefault_out_of_memory() via
page fault, and possible allocations between setting PF_EXITING and
calling exit_mm() are tty_audit_exit() and taskstats_exit() which will
not trigger page fault, task_will_free_mem(current) in
mem_cgroup_out_of_memory() is never true.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
---
 mm/memcontrol.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ae8b81c..701bef1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1254,11 +1254,11 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
 	mutex_lock(&oom_lock);
 
 	/*
-	 * If current has a pending SIGKILL or is exiting, then automatically
-	 * select it.  The goal is to allow it to allocate so that it may
-	 * quickly exit and free its memory.
+	 * If current has a pending SIGKILL, then automatically select it.
+	 * The goal is to allow it to allocate so that it may quickly exit
+	 * and free its memory.
 	 */
-	if (fatal_signal_pending(current) || task_will_free_mem(current)) {
+	if (fatal_signal_pending(current)) {
 		mark_oom_victim(current);
 		goto unlock;
 	}
-- 
1.8.3.1

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