From: Rik van Riel <riel@redhat.com>
To: Aaron Tomlin <atomlin@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, glommer@parallels.com
Subject: Re: [PATCH v2] mm: slab: Verify the nodeid passed to ____cache_alloc_node
Date: Mon, 25 Feb 2013 12:45:32 -0500 [thread overview]
Message-ID: <512BA33C.6060506@redhat.com> (raw)
In-Reply-To: <591256534.8212978.1361812690861.JavaMail.root@redhat.com>
On 02/25/2013 12:18 PM, Aaron Tomlin wrote:
> mm: slab: Verify the nodeid passed to ____cache_alloc_node
>
> If the nodeid is > num_online_nodes() this can cause an
> Oops and a panic(). The purpose of this patch is to assert
> if this condition is true to aid debugging efforts rather
> than some random NULL pointer dereference or page fault.
>
> Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Aaron Tomlin <atomlin@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, glommer@parallels.com
Subject: Re: [PATCH v2] mm: slab: Verify the nodeid passed to ____cache_alloc_node
Date: Mon, 25 Feb 2013 12:45:32 -0500 [thread overview]
Message-ID: <512BA33C.6060506@redhat.com> (raw)
In-Reply-To: <591256534.8212978.1361812690861.JavaMail.root@redhat.com>
On 02/25/2013 12:18 PM, Aaron Tomlin wrote:
> mm: slab: Verify the nodeid passed to ____cache_alloc_node
>
> If the nodeid is > num_online_nodes() this can cause an
> Oops and a panic(). The purpose of this patch is to assert
> if this condition is true to aid debugging efforts rather
> than some random NULL pointer dereference or page fault.
>
> Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed
next prev parent reply other threads:[~2013-02-25 17:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <813482873.8209105.1361812140956.JavaMail.root@redhat.com>
2013-02-25 17:18 ` [PATCH v2] mm: slab: Verify the nodeid passed to ____cache_alloc_node Aaron Tomlin
2013-02-25 17:18 ` Aaron Tomlin
2013-02-25 17:45 ` Rik van Riel [this message]
2013-02-25 17:45 ` Rik van Riel
2013-02-25 19:27 ` Christoph Lameter
2013-02-25 19:27 ` Christoph Lameter
[not found] <1081382531.982691.1366726661820.JavaMail.root@redhat.com>
2013-04-23 14:31 ` [Patch " Aaron Tomlin
2013-04-23 14:31 ` Aaron Tomlin
2013-04-23 15:51 ` Christoph Lameter
2013-04-23 15:51 ` Christoph Lameter
2013-04-23 16:45 ` Rafael Aquini
2013-04-23 16:45 ` Rafael Aquini
2013-04-23 23:16 ` David Rientjes
2013-04-23 23:16 ` David Rientjes
2013-04-24 7:26 ` Pekka Enberg
2013-04-24 7:26 ` Pekka Enberg
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