* [PATCH RESEND] staging: android: lowmemorykiller: set TIF_MEMDIE before send kill sig
@ 2014-02-14 6:03 Weijie Yang
2014-02-14 10:26 ` David Rientjes
0 siblings, 1 reply; 2+ messages in thread
From: Weijie Yang @ 2014-02-14 6:03 UTC (permalink / raw)
To: gregkh; +Cc: anton.vorontsov, rientjes, weijie.yang.kh, 'linux-kernel'
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH RESEND] staging: android: lowmemorykiller: set TIF_MEMDIE before send kill sig
2014-02-14 6:03 [PATCH RESEND] staging: android: lowmemorykiller: set TIF_MEMDIE before send kill sig Weijie Yang
@ 2014-02-14 10:26 ` David Rientjes
0 siblings, 0 replies; 2+ messages in thread
From: David Rientjes @ 2014-02-14 10:26 UTC (permalink / raw)
To: Weijie Yang; +Cc: gregkh, anton.vorontsov, weijie.yang.kh, linux-kernel
On Fri, 14 Feb 2014, Weijie Yang wrote:
> 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>
Acked-by: David Rientjes <rientjes@google.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-02-14 6:03 [PATCH RESEND] staging: android: lowmemorykiller: set TIF_MEMDIE before send kill sig Weijie Yang
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