From: Weijie Yang <weijie.yang@samsung.com>
To: gregkh@linuxfoundation.org
Cc: anton.vorontsov@linaro.org, rientjes@google.com, weijie.yang.kh@gmail.com,
        "'linux-kernel'" <linux-kernel@vger.kernel.org>
Subject: [PATCH RESEND] staging: android: lowmemorykiller: set TIF_MEMDIE
 before send kill sig
Date: Fri, 14 Feb 2014 14:03:56 +0800
Message-id: <000001cf294a$b1bebd60$153c3820$%yang@samsung.com>
MIME-version: 1.0
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Thread-index: Ac8pSot/olrst5TiS7mdfP2z2YbGbQ==
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Sender: linux-kernel-owner@vger.kernel.org

Set TIF_MEMDIE tsk_thread flag before send kill signal to the
selected thread. This is to fit a usual code sequence and avoid
potential race issue.

Signed-off-by: Weijie Yang <weijie.yang@samsung.com>
---
 drivers/staging/android/lowmemorykiller.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 6f094b3..4bcf00a
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -159,8 +159,8 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc)
 			     selected->pid, selected->comm,
 			     selected_oom_score_adj, selected_tasksize);
 		lowmem_deathpending_timeout = jiffies + HZ;
-		send_sig(SIGKILL, selected, 0);
 		set_tsk_thread_flag(selected, TIF_MEMDIE);
+		send_sig(SIGKILL, selected, 0);
 		rem += selected_tasksize;
 	}
 
-- 
1.7.10.4


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