linux-kernel - Re: [PATCH v3 0/5] kmemleak: few small cleanups and clear command support

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Message-ID: <20090908161432.GA8839@mosca>
Date:	Tue, 8 Sep 2009 09:14:32 -0700
From:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	Luis Rodriguez <Luis.Rodriguez@...eros.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"penberg@...helsinki.fi" <penberg@...helsinki.fi>,
	"mcgrof@...il.com" <mcgrof@...il.com>
Subject: Re: [PATCH v3 0/5] kmemleak: few small cleanups and clear command
 support

On Mon, Sep 07, 2009 at 10:29:30AM -0700, Catalin Marinas wrote:
> On Fri, 2009-09-04 at 17:44 -0700, Luis R. Rodriguez wrote:
> > Here is my third respin, this time rebased ontop of:
> >
> > git://linux-arm.org/linux-2.6 kmemleak
> >
> > As suggested by Catalin we now clear the list by only painting reported
> > unreferenced objects and the color we use is grey to ensure future
> > scans are possible on these same objects to account for new allocations
> > in the future referenced on the cleared objects.
> >
> > Patch 3 is now a little different, now with a paint_ptr() and
> > a __paint_it() helper.
> 
> Thanks for the patches. They look ok now, I'll merge them tomorrow to my
> kmemleak branch and give them a try.
> 
> > I tested this by clearing kmemleak after bootup, then writing my
> > own buggy module which kmalloc()'d onto some internal pointer,
> > scanned, unloaded, and scanned again and then saw a new shiny
> > report come up:
> 
> BTW, kmemleak comes with a test module which does this.

Thanks for the note, I'll use this in case I need to test more stuff.

  Luis
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