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[PATCH] select_bad_process(): cleanup 'releasing' check

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No logic changes, but imho easier to read.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Oleg Nesterov 2006-09-29 02:01:12 -07:00 committed by Linus Torvalds
parent 28324d1df6
commit 972c4ea59c
1 changed files with 9 additions and 10 deletions
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19
mm/oom_kill.c
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@ -204,7 +204,6 @@ static struct task_struct *select_bad_process(unsigned long *ppoints)
do_posix_clock_monotonic_gettime(&uptime);
do_each_thread(g, p) {
unsigned long points;
int releasing;
/*
* skip kernel threads and tasks which have already released
@ -226,16 +225,15 @@ static struct task_struct *select_bad_process(unsigned long *ppoints)
* the process of exiting and releasing its resources.
* Otherwise we could get an OOM deadlock.
*/
releasing = test_tsk_thread_flag(p, TIF_MEMDIE) ||
p->flags & PF_EXITING;
if (releasing) {
if (p->flags & PF_EXITING && p == current) {
chosen = p;
*ppoints = ULONG_MAX;
break;
}
return ERR_PTR(-1UL);
if ((p->flags & PF_EXITING) && p == current) {
chosen = p;
*ppoints = ULONG_MAX;
break;
}
if ((p->flags & PF_EXITING) ||
test_tsk_thread_flag(p, TIF_MEMDIE))
return ERR_PTR(-1UL);
if (p->oomkilladj == OOM_DISABLE)
continue;
@ -245,6 +243,7 @@ static struct task_struct *select_bad_process(unsigned long *ppoints)
*ppoints = points;
}
} while_each_thread(g, p);
return chosen;
}