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

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Message-ID: <20070726091048.GA7366@elte.hu>
Date:	Thu, 26 Jul 2007 11:10:48 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <clameter@....com>,
	linux-kernel@...r.kernel.org
Subject: [bug] SLUB & freeing locks [was: Re: 2.6.23-rc1: known regressions
	with patches]


there's a new regression:

SLUB does not seem to call debug_check_no_locks_freed() - hence on SLUB 
we will not notice certain types of freeing races. (such as freeing an 
object still locked and used on another CPU.) SLAB does this corretly.

	Ingo
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