[PATCH -mm 0/4] oom: linux has threads

From: Oleg Nesterov
Date: Fri Apr 02 2010 - 14:34:27 EST


On 04/02, Oleg Nesterov wrote:
>
> Once again:
>
> void *memory_hog_thread(void *arg)
> {
> for (;;)
> malloc(A_LOT);
> }
>
> int main(void)
> {
> pthread_create(memory_hog_thread, ...);
> syscall(__NR_exit, 0);
> }
>
> Now, even if we fix PF_EXITING check, select_bad_process() will always
> ignore this process. The group leader has ->mm == NULL.

So. Please see the COMPLETELY UNTESTED patches I am sending. They need
your review, or feel free to redo these fixes. 4/4 is a bit off-topic.

Also, please note the "This patch is not enough" comment in 3/4.

Oleg.

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