linux-kernel - Re: [PATCH] eCryptfs - use page_alloc not kmalloc to get a page of memory

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Message-ID: <20080728125340.51b0b486@cuia.bos.redhat.com>
Date:	Mon, 28 Jul 2008 12:53:40 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
	Michael Halcrow <mhalcrow@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] eCryptfs - use page_alloc not kmalloc to get a page of
 memory

On Mon, 28 Jul 2008 11:13:03 -0500
Eric Sandeen <sandeen@...hat.com> wrote:

> With SLUB debugging turned on in 2.6.26, I was getting memory corruption
> when testing eCryptfs.  The root cause turned out to be that eCryptfs
> was doing kmalloc(PAGE_CACHE_SIZE); virt_to_page() and treating that
> as a nice page-aligned chunk of memory. 

uh oh

> Signed-off-by: Eric Sandeen <sandeen@...hat.com>

Acked-by: Rik van Riel <riel@...hat.com>

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