From: William Lee Irwin III <wli@holomorphy.com>
To: Peter Zaitsev <peter@mysql.com>, Andrew Morton <akpm@osdl.org>,
andrea@suse.de, linux-kernel@vger.kernel.org
Subject: Re: VM Problems in 2.6.7 (Too active OOM Killer)
Date: Wed, 14 Jul 2004 19:39:51 -0700 [thread overview]
Message-ID: <20040715023951.GK3411@holomorphy.com> (raw)
In-Reply-To: <20040715023300.GJ3411@holomorphy.com>
On Wed, Jul 14, 2004 at 07:33:00PM -0700, William Lee Irwin III wrote:
> At the rebalance label, failure will only be delivered when the
> check if (current->flags & (PF_MEMALLOC|PF_MEMDIE)), otherwise,
> __alloc_pages() retries indefinitely and ignores signals.
Careful not to make too much of ignoring signals, mm/oom_kill.c sets
PF_MEMDIE out-of-context, so when an OOM kill is issued while a task
is looping in __alloc_pages() it will eventually break out of the
rebalance loop due to the flag.
-- wli
next prev parent reply other threads:[~2004-07-15 2:39 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-14 2:23 VM Problems in 2.6.7 (Too active OOM Killer) Peter Zaitsev
2004-07-14 2:40 ` William Lee Irwin III
2004-07-14 3:20 ` Peter Zaitsev
2004-07-14 3:17 ` Andrea Arcangeli
2004-07-14 3:44 ` Peter Zaitsev
2004-07-14 4:10 ` Andrea Arcangeli
2004-07-14 4:22 ` Andrew Morton
2004-07-14 4:47 ` Andrea Arcangeli
2004-07-14 4:17 ` Andrew Morton
2004-07-14 23:47 ` Peter Zaitsev
2004-07-14 22:44 ` Andrew Morton
2004-07-15 0:06 ` Andrea Arcangeli
2004-07-15 0:30 ` Peter Zaitsev
2004-07-15 0:46 ` Andrea Arcangeli
2004-07-15 1:54 ` William Lee Irwin III
2004-07-15 2:13 ` Peter Zaitsev
2004-07-15 2:33 ` William Lee Irwin III
2004-07-15 2:39 ` William Lee Irwin III [this message]
2004-07-15 2:44 ` William Lee Irwin III
2004-08-13 22:23 ` William Lee Irwin III
2004-07-19 20:27 ` Bill Davidsen
2004-07-18 16:13 ` Kurt Garloff
2004-07-20 9:14 ` R. J. Wysocki
2004-07-20 13:29 ` Andrea Arcangeli
2004-07-20 13:53 ` William Lee Irwin III
2004-07-20 13:29 ` William Lee Irwin III
2004-07-19 20:21 ` Bill Davidsen
2004-07-15 0:04 ` Andrea Arcangeli
2004-07-15 0:43 ` Peter Zaitsev
2004-07-15 0:43 ` William Lee Irwin III
2004-07-15 1:04 ` Peter Zaitsev
2004-07-15 1:29 ` William Lee Irwin III
2004-07-14 3:50 ` William Lee Irwin III
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