linux-kernel - Re: kfree(0)

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Date:	Fri, 17 Aug 2007 13:43:20 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Satyam Sharma <satyam@...radead.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Tim Bird <tim.bird@...sony.com>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: kfree(0) - ok?

On Fri, 17 Aug 2007, Andrew Morton wrote:

> are we seeing a pattern here?  We could stick the unlikely inside
> ZERO_OR_NULL_PTR() itself.  That's a little bit sleazy though - there might
> be future callsites at which it is likely, who knows?

Thought about that myself but then there would be a weird side effect to 
ZERO_OR_NULL_PTR(). But since your thinking along the same lines: Lets do 
it. I will fix up the patch to do just that.

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