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Message-Id: <200702080903.46242.ak@suse.de> Date: Thu, 8 Feb 2007 09:03:46 +0100 From: Andi Kleen <ak@...e.de> To: Andrew Morton <akpm@...ux-foundation.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, LKML <linux-kernel@...r.kernel.org>, clameter@....com, GOTO <y-goto@...fujitsu.com> Subject: Re: [BUG][PATCH] fix mempolcy's check on a system with memory-less-node take2 On Thursday 08 February 2007 09:00, Andrew Morton wrote: > On Thu, 8 Feb 2007 08:49:41 +0100 Andi Kleen <ak@...e.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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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