From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
LKML <linux-kernel@vger.kernel.org>,
clameter@sgi.com, GOTO <y-goto@jp.fujitsu.com>
Subject: Re: [BUG][PATCH] fix mempolcy's check on a system with memory-less-node take2
Date: Thu, 8 Feb 2007 09:03:46 +0100 [thread overview]
Message-ID: <200702080903.46242.ak@suse.de> (raw)
In-Reply-To: <20070208000001.9e303a1a.akpm@linux-foundation.org>
On Thursday 08 February 2007 09:00, Andrew Morton wrote:
> On Thu, 8 Feb 2007 08:49:41 +0100 Andi Kleen <ak@suse.de> wrote:
>
> >
> > > This panic(hang) was found by a numa test-set on a system with 3 nodes, where
> > > node(2) was memory-less-node.
> >
> > I still think it's the wrong fix -- just get rid of the memory less node.
>
> "Let's break it even more"?
I still don't get what you believe what would be broken then.
> > I expect you'll likely run into more problems with that setup anyways.
>
> What happens if he doesn't run into more problems?
Then he's lucky. I ran into problems at least when I still had the empty
nodes some time ago on x86-64. Christoph said SN2 is doing the same.
iirc slab blew up at least, but that might be fixed by now. But it's a little risky
because there is more code now that is node aware.
-Andi
next prev parent reply other threads:[~2007-02-08 8:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-08 2:06 [BUG][PATCH] fix mempolcy's check on a system with memory-less-node take2 KAMEZAWA Hiroyuki
2007-02-08 7:49 ` Andi Kleen
2007-02-08 8:00 ` Andrew Morton
2007-02-08 8:03 ` Andi Kleen [this message]
2007-02-08 8:08 ` Andrew Morton
2007-02-08 8:19 ` Andi Kleen
2007-02-08 8:24 ` Andrew Morton
2007-02-08 8:16 ` KAMEZAWA Hiroyuki
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