Commit 19b4586c authored by KOSAKI Motohiro's avatar KOSAKI Motohiro Committed by Linus Torvalds

oom: remove child->mm check from oom_kill_process()

The current "child->mm == p->mm" check prevents selection of vfork()ed
task.  But we don't have any reason to don't consider vfork().

Removed.
Signed-off-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent df1090a8
...@@ -479,9 +479,6 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order, ...@@ -479,9 +479,6 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
list_for_each_entry(child, &t->children, sibling) { list_for_each_entry(child, &t->children, sibling) {
unsigned long child_points; unsigned long child_points;
if (child->mm == p->mm)
continue;
/* badness() returns 0 if the thread is unkillable */ /* badness() returns 0 if the thread is unkillable */
child_points = badness(child, mem, nodemask, child_points = badness(child, mem, nodemask,
uptime.tv_sec); uptime.tv_sec);
......
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