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From: Christoph Lameter <cl@linux-foundation.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Matt Mackall <mpm@selenic.com>, Nick Piggin <npiggin@suse.de>
Subject: Re: [patch 1/8] slab: introduce kzfree()
Date: Tue, 17 Feb 2009 10:08:21 -0500 (EST)	[thread overview]
Message-ID: <alpine.DEB.1.10.0902171007010.19685@qirst.com> (raw)
In-Reply-To: <20090216152751.GA27520@cmpxchg.org>

Why would you want to zero an object on release? Is this for security?

Please give us some rationale for this. Do we need free on zero now for
all allocators?


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  reply	other threads:[~2009-02-17 15:16 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-16 14:29 [patch 0/8] kzfree() Johannes Weiner
2009-02-16 14:29 ` [patch 1/8] slab: introduce kzfree() Johannes Weiner
2009-02-16 15:27   ` Johannes Weiner
2009-02-17 15:08     ` Christoph Lameter [this message]
2009-02-17 15:51       ` Pekka Enberg
2009-02-17 16:01         ` Christoph Lameter
2009-02-16 14:29 ` [patch 2/8] crypto: use kzfree() Johannes Weiner
2009-02-16 14:29 ` [patch 3/8] s390: " Johannes Weiner
2009-02-16 14:29 ` [patch 4/8] md: " Johannes Weiner
2009-02-16 14:29 ` [patch 5/8] usb: " Johannes Weiner
2009-02-16 14:29 ` [patch 6/8] cifs: " Johannes Weiner
2009-02-16 15:13   ` Pekka Enberg
2009-02-16 15:33     ` Johannes Weiner
2009-02-16 18:17       ` Pekka Enberg
2009-02-16 19:01       ` Steve French
2009-02-16 19:02       ` Steve French
2009-02-16 14:29 ` [patch 7/8] ecryptfs: " Johannes Weiner
2009-02-16 20:02   ` Andrew Morton
2009-02-16 20:28     ` Johannes Weiner
2009-02-17  7:51   ` Tyler Hicks
2009-02-16 14:29 ` [patch 8/8] atm: " Johannes Weiner
2009-02-16 19:59 ` [patch 0/8] kzfree() Andrew Morton
2009-02-16 19:58   ` Pekka Enberg
2009-02-16 20:19     ` Andrew Morton

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