mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 18:14:07 +08:00
oom: check PF_KTHREAD instead of !mm to skip kthreads
select_bad_process() thinks a kernel thread can't have ->mm != NULL, this is not true due to use_mm(). Change the code to check PF_KTHREAD. Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: David Rientjes <rientjes@google.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
a9877cc293
commit
455c0e5fb0
@ -256,14 +256,11 @@ static struct task_struct *select_bad_process(unsigned long *ppoints,
|
||||
for_each_process(p) {
|
||||
unsigned long points;
|
||||
|
||||
/*
|
||||
* skip kernel threads and tasks which have already released
|
||||
* their mm.
|
||||
*/
|
||||
/* skip tasks that have already released their mm */
|
||||
if (!p->mm)
|
||||
continue;
|
||||
/* skip the init task */
|
||||
if (is_global_init(p))
|
||||
/* skip the init task and kthreads */
|
||||
if (is_global_init(p) || (p->flags & PF_KTHREAD))
|
||||
continue;
|
||||
if (mem && !task_in_mem_cgroup(p, mem))
|
||||
continue;
|
||||
|
Loading…
Reference in New Issue
Block a user