linux-kernel - Re: [bug] SLUB & freeing locks [was: Re: 2.6.23-rc1: known regressions with patches]

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Message-ID: <Pine.LNX.4.64.0707261048220.2374@schroedinger.engr.sgi.com>
Date:	Thu, 26 Jul 2007 10:51:23 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Pekka Enberg <penberg@...helsinki.fi>, Ingo Molnar <mingo@...e.hu>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [bug] SLUB & freeing locks [was: Re: 2.6.23-rc1: known regressions
 with patches]

Note that debug_check... adds more code to the slab_free hotpath which 
will have a significant performance impact if lockdep is enabled.

Acked-by: Christoph Lameter <clameter@....com>

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