linux-kernel - Re: mm: slab - __cache

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Message-ID: <Pine.LNX.4.64.0811201216110.23154@quilx.com>
Date:	Thu, 20 Nov 2008 12:16:28 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Cyrill Gorcunov <gorcunov@...il.com>
cc:	Pekka Enberg <penberg@...helsinki.fi>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: mm: slab - __cache_alloc NULL prefetch fix

On Thu, 20 Nov 2008, Cyrill Gorcunov wrote:

> even having prefetch(NULL) as valid we do check if
> object is not NULL anyway so I thought there is no
> need to prefetch(NULL) in case of fail.

The object is only checked if SLAB_DEBUG is on.

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