From: David Rientjes <rientjes@google.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v3
Date: Tue, 10 Nov 2009 19:27:40 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.0911101926080.16932@chino.kir.corp.google.com> (raw)
In-Reply-To: <20091111121958.FD59.A69D9226@jp.fujitsu.com>
On Wed, 11 Nov 2009, KOSAKI Motohiro wrote:
> Linux doesn't support 1K nodes. (and only SGI huge machine use 512 nodes)
>
I know for a fact that it does on x86 if you adjust CONFIG_NODES_SHIFT,
I've booted kernels all the way back to 2.6.18 with 1K nodes.
> At least, NODEMASK_ALLOC should make more cleaner interface. current one
> and struct nodemask_scratch are pretty ugly.
>
I agree, I haven't been a fan of nodemask_scratch because I think its use
case is pretty limited, but I do advocate using NODEMASK_ALLOC() when deep
in the stack. We've made sure that most of the mempolicy code does that
where manipulating nodemasks is common in -mm.
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next prev parent reply other threads:[~2009-11-11 3:27 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-04 8:09 [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask KAMEZAWA Hiroyuki
2009-11-06 0:02 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v2 KAMEZAWA Hiroyuki
2009-11-10 7:24 ` KOSAKI Motohiro
2009-11-10 7:24 ` KAMEZAWA Hiroyuki
2009-11-10 7:39 ` KOSAKI Motohiro
2009-11-10 7:40 ` KAMEZAWA Hiroyuki
2009-11-10 8:03 ` Daisuke Nishimura
2009-11-10 8:17 ` KAMEZAWA Hiroyuki
2009-11-11 2:24 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v3 KAMEZAWA Hiroyuki
2009-11-11 2:36 ` KOSAKI Motohiro
2009-11-11 2:49 ` David Rientjes
2009-11-11 3:02 ` KOSAKI Motohiro
2009-11-11 3:10 ` KAMEZAWA Hiroyuki
2009-11-11 3:14 ` David Rientjes
2009-11-11 3:23 ` KOSAKI Motohiro
2009-11-11 3:27 ` David Rientjes [this message]
2009-11-11 3:04 ` KAMEZAWA Hiroyuki
2009-11-11 4:45 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4 KAMEZAWA Hiroyuki
2009-11-11 5:28 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4.1 KAMEZAWA Hiroyuki
2009-11-11 5:58 ` David Rientjes
2009-11-11 6:20 ` KAMEZAWA Hiroyuki
2009-11-11 6:26 ` David Rientjes
2009-11-11 6:34 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4.2 KAMEZAWA Hiroyuki
2009-11-11 7:32 ` David Rientjes
2009-11-18 0:11 ` David Rientjes
2009-11-18 0:58 ` KAMEZAWA Hiroyuki
2009-11-18 2:13 ` David Rientjes
2009-12-15 1:16 ` Andrew Morton
2009-12-15 1:32 ` KAMEZAWA Hiroyuki
2009-12-15 1:38 ` KOSAKI Motohiro
2009-12-15 4:30 ` David Rientjes
2009-12-15 4:35 ` KAMEZAWA Hiroyuki
2009-12-15 4:54 ` David Rientjes
2009-12-15 5:19 ` KOSAKI Motohiro
2009-12-17 22:21 ` David Rientjes
2009-12-18 4:30 ` KOSAKI Motohiro
2009-12-18 10:04 ` David Rientjes
2009-12-15 4:57 ` KAMEZAWA Hiroyuki
2009-12-15 4:43 ` KAMEZAWA Hiroyuki
2009-12-15 4:57 ` David Rientjes
2009-12-15 5:09 ` KAMEZAWA Hiroyuki
2009-12-17 22:23 ` David Rientjes
2009-12-17 23:33 ` KAMEZAWA Hiroyuki
2009-12-15 4:47 ` KOSAKI Motohiro
2009-12-15 5:03 ` David Rientjes
2009-11-18 1:41 ` Daisuke Nishimura
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