From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Subject: [PATCH 5/5] oom: __oom_kill_task() must use find_lock_task_mm() too
__oom_kill_task also use find_lock_task_mm(). because if sysctl_oom_kill_allocating_task
is true, __out_of_memory() don't call select_bad_process().
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
---
mm/oom_kill.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 30d9da0..f6aa3fc 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -394,12 +394,11 @@ static void __oom_kill_task(struct task_struct *p, int verbose)
return;
}
- task_lock(p);
- if (!p->mm) {
+ p = find_lock_task_mm(p);
+ if (!p) {
WARN_ON(1);
printk(KERN_WARNING "tried to kill an mm-less task %d (%s)!\n",
task_pid_nr(p), p->comm);
- task_unlock(p);
return;
}
--
1.6.5.2
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