linux-kernel - Re: [PATCH percpu#for-next] percpu: clear memory allocated with the km allocator

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Message-ID: <20100910164525.GA11188@elte.hu>
Date:	Fri, 10 Sep 2010 18:45:25 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Tejun Heo <htejun@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	linux-kernel@...r.kernel.org, paulus@...ba.org,
	davem@...emloft.net, fweisbec@...il.com,
	perfmon2-devel@...ts.sf.net, eranian@...il.com,
	robert.richter@....com, acme@...hat.com
Subject: Re: [PATCH percpu#for-next] percpu: clear memory allocated with the
 km allocator


* Randy Dunlap <randy.dunlap@...cle.com> wrote:

> On Fri, 10 Sep 2010 10:55:18 +0200 Peter Zijlstra wrote:
> 
> > On Fri, 2010-09-10 at 10:52 +0200, Tejun Heo wrote:
> > > Percpu allocator should clear memory before returning it but the km
> > > allocator forgot to do it.  Fix it.
> > > 
> > > Signed-off-by: Tejun Heo <tj@...nel.org>
> > > Spotted-by: Peter Zijlstra <peterz@...radead.org>
> > 
> > (fwiw, -tip uses Reported-by)
> 
> fyi, Documentation/SubmittingPatches does also.

Yeah, and, FYI, there's observed strong correlation between the 
maintenance policies of -tip and Documentation/SubmittingPatches.
[i'd even venture so far to claim causation]

Thanks,

	Ingo
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