linux-kernel - Re: Regression X Hangs at bootup -- PATCH

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Date:	Wed, 8 Apr 2009 09:41:33 +0200
From:	Florian Mickler <florian@...kler.org>
To:	Eric Anholt <eric@...olt.net>
Cc:	LKML <linux-kernel@...r.kernel.org>, jbarnes@...tuousgeek.org,
	airlied@...ux.ie, keithp@...thp.com
Subject: Re: Regression X Hangs at bootup -- PATCH

On Tue, 07 Apr 2009 19:33:59 -0700
Eric Anholt <eric@...olt.net> wrote:

> On Tue, 2009-04-07 at 22:14 +0200, Florian Mickler wrote:
> > On Tue, 07 Apr 2009 09:21:40 -0700
> > Eric Anholt <eric@...olt.net> wrote:
> > 
> > 
> > > drm_free's other arguments are unused memory debug leftovers.
> > > I've got a patch I need to push at airlied to remove
> > > drm_malloc/drm_calloc/drm_free.
> > > 
> > in that case it is of course a non issue. but would you mind 
> > to add a note like 'this adds a memleak to
> > i915_gem_put_relocs_to_user which will be fixed in a followup
> > patch', or just rebase it onto that patch? 
> 
> Just to be clear, there is no memleak:
> 
> /** Wrapper around kfree() */
> static __inline__ void drm_free(void *pt, size_t size, int area)
> {
> 	kfree(pt);
> }
> 
> The arg would only get used if DRM_DEBUG_MEMORY was set, but there's
> no way in the kernel to do so.  I don't think anybody's used it in
> years, and I'm sure there would be broken drm_free arguments since
> it's untested.  It was never very useful even back in the day, since
> most everything ended up lumped under DRM_MEM_DRIVER.
> 

wtf? alright :)
thx for clarifying. i should have just looked. 

bye,
Florian

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