linux-kernel - Re: SLUB regression in current Linus

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Message-ID: <BANLkTiksf8NJ40twt1nxp6oRAqNv45QeCQ@mail.gmail.com>
Date:	Wed, 25 May 2011 07:57:42 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Christoph Lameter <cl@...ux.com>
Cc:	James Morris <jmorris@...ei.org>,
	Pekka Enberg <penberg@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: SLUB regression in current Linus

On Wed, May 25, 2011 at 7:47 AM, Christoph Lameter <cl@...ux.com> wrote:
>
> So simply return the object. In the debug case we do not need all the other
> processing that unlock_out: does.

So that patch looks like it should explain things.

But exactly why don't we need the ->tid update and the ALLOC_SLOWPATH
stats? Both of them would seem to be equally valid for the debug case.

                             Linus
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