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Date: Mon, 26 Mar 2007 18:45:08 -0700 (PDT)
Message-Id: <20070326.184508.85687849.davem@davemloft.net>
To: wli@holomorphy.com
Cc: akpm@linux-foundation.org, clameter@sgi.com, linux-mm@kvack.org,
       linux-kernel@vger.kernel.org
Subject: Re: [QUICKLIST 1/5] Quicklists for page table pages V4
From: David Miller <davem@davemloft.net>
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From: William Lee Irwin III <wli@holomorphy.com>
Date: Mon, 26 Mar 2007 18:06:24 -0700

> On Mon, Mar 26, 2007 at 10:26:51AM -0800, Andrew Morton wrote:
> > b) we understand why the below simple modification crashes i386.
> 
> Full eager zeroing patches not dependent on quicklist code don't crash,
> so there is no latent use-after-free issue covered up by caching. I'll
> help out more on the i386 front as-needed.

I've looked into this a few times and I am quite mystified as
to why that simple test patch crashes.