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Commit 6bc2b856 authored by Weijie Yang's avatar Weijie Yang Committed by Greg Kroah-Hartman
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staging: android: lowmemorykiller: set TIF_MEMDIE before send kill sig 



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: default avatarWeijie Yang <weijie.yang@samsung.com>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 52cf6acf

drivers/staging/android/lowmemorykiller.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

	}