On 03/05/2011 02:41 AM, David Rientjes wrote:
On Sat, 5 Mar 2011, Andrey Vagin wrote:
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 7dcca55..2fc554e 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -311,7 +311,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
* blocked waiting for another task which itself is waiting
* for memory. Is there a better alternative?
*/
- if (test_tsk_thread_flag(p, TIF_MEMDIE))
+ if (test_tsk_thread_flag(p, TIF_MEMDIE)&& p->mm)
return ERR_PTR(-1UL);
/*
I think it would be better to just do
if (!p->mm)
continue;
after the check for oom_unkillable_task() because everything that follows
this really depends on p->mm being non-NULL to actually do anything
useful.
Yes. You are right. Thank you.
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