linux-kernel - Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning

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Message-Id: <20070601175146.7c46ef99.akpm@linux-foundation.org>
Date:	Fri, 1 Jun 2007 17:51:46 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Christoph Lameter <clameter@....com>,
	Srinivasa Ds <srinivasa@...ibm.com>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Dinakar Guniguntala <dino@...ibm.com>, pj@....com,
	simon.derr@...l.net, clameter@...ulhu.engr.sgi.com,
	rientjes@...gle.com
Subject: Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777
 warning

On Fri, 01 Jun 2007 17:43:46 -0700 Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Andrew Morton wrote:
> > As I said, it's specific to the kmalloc(0) problem, and we're fixing that
> > by other means anyway.
> >   
> 
> I guess I'm not getting much traction in my campaign for equal rights
> for zero-sized allocations. They're perfectly reasonable things to have,
> if that's the way the code falls out. The warning is just prejudice.
> 

In some cases, sure, and we should remove the warning at some stage.

But it has exposed a couple of bugs and a few weird things.
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