From: Matt Mackall <mpm@selenic.com>
To: Haicheng Li <haicheng.li@linux.intel.com>
Cc: linux-mm@kvack.org, Christoph Lameter <cl@linux-foundation.org>,
Pekka Enberg <penberg@cs.helsinki.fi>,
andi@firstfloor.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slab: initialize unused alien cache entry as NULL at alloc_alien_cache().
Date: Tue, 22 Dec 2009 16:38:05 -0600 [thread overview]
Message-ID: <1261521485.3000.1692.camel@calx> (raw)
In-Reply-To: <4B30BDA8.1070904@linux.intel.com>
On Tue, 2009-12-22 at 20:38 +0800, Haicheng Li wrote:
> ac_ptr = kmalloc_node(memsize, gfp, node);
> if (ac_ptr) {
> + memset(ac_ptr, 0, memsize);
Please use kzalloc_node here.
I'm not sure what's going on with nr_node_id vs MAX_NUMNODES, so I think
we need to see an answer to Christoph's question before going forward
with this.
--
http://selenic.com : development and support for Mercurial and Linux
WARNING: multiple messages have this Message-ID (diff)
From: Matt Mackall <mpm@selenic.com>
To: Haicheng Li <haicheng.li@linux.intel.com>
Cc: linux-mm@kvack.org, Christoph Lameter <cl@linux-foundation.org>,
Pekka Enberg <penberg@cs.helsinki.fi>,
andi@firstfloor.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slab: initialize unused alien cache entry as NULL at alloc_alien_cache().
Date: Tue, 22 Dec 2009 16:38:05 -0600 [thread overview]
Message-ID: <1261521485.3000.1692.camel@calx> (raw)
In-Reply-To: <4B30BDA8.1070904@linux.intel.com>
On Tue, 2009-12-22 at 20:38 +0800, Haicheng Li wrote:
> ac_ptr = kmalloc_node(memsize, gfp, node);
> if (ac_ptr) {
> + memset(ac_ptr, 0, memsize);
Please use kzalloc_node here.
I'm not sure what's going on with nr_node_id vs MAX_NUMNODES, so I think
we need to see an answer to Christoph's question before going forward
with this.
--
http://selenic.com : development and support for Mercurial and Linux
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next prev parent reply other threads:[~2009-12-22 22:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-22 12:38 [PATCH] slab: initialize unused alien cache entry as NULL at alloc_alien_cache() Haicheng Li
2009-12-22 12:38 ` Haicheng Li
2009-12-22 12:40 ` Andi Kleen
2009-12-22 12:40 ` Andi Kleen
2009-12-22 15:47 ` Christoph Lameter
2009-12-22 15:47 ` Christoph Lameter
2009-12-23 6:52 ` Haicheng Li
2009-12-23 6:52 ` Haicheng Li
2009-12-23 10:10 ` Eric Dumazet
2009-12-23 10:10 ` Eric Dumazet
2009-12-23 10:23 ` Andi Kleen
2009-12-23 10:23 ` Andi Kleen
2009-12-23 11:23 ` Haicheng Li
2009-12-23 11:23 ` Haicheng Li
2010-01-04 17:26 ` Christoph Lameter
2010-01-04 17:26 ` Christoph Lameter
2009-12-22 22:38 ` Matt Mackall [this message]
2009-12-22 22:38 ` Matt Mackall
2009-12-23 9:58 ` [PATCH v2] " Haicheng Li
2009-12-23 9:58 ` Haicheng Li
2010-01-04 17:27 ` Christoph Lameter
2010-01-04 17:27 ` Christoph Lameter
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