Oleg, I parsed your mention mean following patch, correct? =========================================== Oleg pointed out oom_kill.c has force_sig() abuse. force_sig() mean ignore signal mask. but SIGKILL itself is not maskable. So, we can use send_sig() sefely. Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> --- mm/oom_kill.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index e7d3a5d..599f977 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -399,7 +399,7 @@ static int __oom_kill_process(struct task_struct *p, struct mem_cgroup *mem) p->rt.time_slice = HZ; set_tsk_thread_flag(p, TIF_MEMDIE); - force_sig(SIGKILL, p); + send_sig(SIGKILL, p, 1); return 0; } -- 1.6.5.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>