From: Mel Gorman <mgorman@suse.de>
To: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
David Rientjes <rientjes@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [PATCH] mm: __count_immobile_pages make sure the node is online
Date: Thu, 12 Jan 2012 11:14:15 +0000 [thread overview]
Message-ID: <20120112111415.GH4118@suse.de> (raw)
In-Reply-To: <20120112100521.GD1042@tiehlicka.suse.cz>
On Thu, Jan 12, 2012 at 11:05:21AM +0100, Michal Hocko wrote:
> From 39de8df13532150fc4518dad0cb3f6fd88745b8a Mon Sep 17 00:00:00 2001
> From: Michal Hocko <mhocko@suse.cz>
> Date: Thu, 12 Jan 2012 10:19:04 +0100
> Subject: [PATCH] mm: __count_immobile_pages make sure the node is online
>
> page_zone requires to have an online node otherwise we are accessing
> NULL NODE_DATA. This is not an issue at the moment because node_zones
> are located at the structure beginning but this might change in the
> future so better be careful about that.
>
> Signed-off-by: Michal Hocko <mhocko@suse.cz>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Be aware that this is not the version picked up by Andrew. It would
not hurt to resend as V2 with a changelog and a note saying it replaces
mm-fix-null-ptr-dereference-in-__count_immobile_pages.patch in mmotm.
This is just in case the wrong one gets merged due to this thread
getting lost in the noise of Andrew's inbox.
--
Mel Gorman
SUSE Labs
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next prev parent reply other threads:[~2012-01-12 11:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 16:30 [PATCH] mm: Fix NULL ptr dereference in __count_immobile_pages Michal Hocko
2012-01-10 21:31 ` David Rientjes
2012-01-11 8:48 ` Michal Hocko
2012-01-12 2:17 ` KAMEZAWA Hiroyuki
2012-01-12 8:27 ` Michal Hocko
2012-01-12 8:35 ` KAMEZAWA Hiroyuki
2012-01-12 9:23 ` Michal Hocko
2012-01-12 9:33 ` KAMEZAWA Hiroyuki
2012-01-12 10:05 ` [PATCH] mm: __count_immobile_pages make sure the node is online Michal Hocko
2012-01-12 11:14 ` Mel Gorman [this message]
2012-01-12 12:35 ` Michal Hocko
2012-01-12 21:26 ` Andrew Morton
2012-01-12 21:39 ` Michal Hocko
2012-01-13 10:04 ` Mel Gorman
2012-01-11 22:34 ` [PATCH] mm: Fix NULL ptr dereference in __count_immobile_pages Andrew Morton
2012-01-12 8:21 ` Michal Hocko
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