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[PATCH] oom-killer disable for iscsi/lvm2/multipath userland critical sections

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iscsi/lvm2/multipath needs guaranteed protection from the oom-killer, so
make the magical value of -17 in /proc/<pid>/oom_adj defeat the oom-killer
altogether.

(akpm: we still need to document oom_adj and friends in
Documentation/filesystems/proc.txt!)

Signed-off-by: Andrea Arcangeli <andrea@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrea Arcangeli 2005-04-16 15:24:05 -07:00 • committed by Linus Torvalds
parent d345734267
commit 79befd0c08
3 changed files with 5 additions and 2 deletions
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2
mm/oom_kill.c
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@ -145,7 +145,7 @@ static struct task_struct * select_bad_process(void)
do_posix_clock_monotonic_gettime(&uptime);
do_each_thread(g, p)
/* skip the init task with pid == 1 */
if (p->pid > 1) {
if (p->pid > 1 && p->oomkilladj != OOM_DISABLE) {
unsigned long points;
/*