linux-kernel - Re: [PATCH] Fix two potential mem leaks in MPT Fusion (mpt

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Message-Id: <20070802161730.1d5bb55b.akpm@linux-foundation.org>
Date:	Thu, 2 Aug 2007 16:17:30 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Jesper Juhl" <jesper.juhl@...il.com>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"James Bottomley" <James.Bottomley@...eleye.com>,
	"Christoph Lameter" <clameter@....com>,
	"Pekka Enberg" <penberg@...helsinki.fi>, linux-mm@...ck.org,
	"Ingo Molnar" <mingo@...e.hu>, "Matt Mackall" <mpm@...enic.com>
Subject: Re: [PATCH] Fix two potential mem leaks in MPT Fusion
 (mpt_attach())

On Fri, 3 Aug 2007 01:10:02 +0200
"Jesper Juhl" <jesper.juhl@...il.com> wrote:

> > > So, where do we go from here?
> >
> > Where I said ;) Add a new __GFP_ flag which suppresses the warning, add
> > that flag to known-to-be-OK callsites, such as mempool_alloc().
> >
> Ok, I'll try to play around with this some more, try to filter out
> false positives and see what I'm left with (if anything - I'm pretty
> limited hardware-wise, so I can only test a small subset of drivers,
> archs etc) - I'll keep you informed, but expect a few days to pass
> before I have any news...

Make it a once-off thing for now, so the warning will disable itself after
it has triggered once.  That will prevent the debug feature from making
anyone's kernel unusable.
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