From: William Lee Irwin III <wli@holomorphy.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <clameter@sgi.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [QUICKLIST 1/5] Quicklists for page table pages V4
Date: Fri, 23 Mar 2007 07:57:07 -0700 [thread overview]
Message-ID: <20070323145707.GT2986@holomorphy.com> (raw)
In-Reply-To: <20070323112920.GR2986@holomorphy.com>
On Thu, Mar 22, 2007 at 11:48:48PM -0800, Andrew Morton wrote:
>> afacit that two-year-old, totally-different patch has nothing to do with my
>> repeatedly-asked question. It appears to be consolidating three separate
>> quicklist allocators into one common implementation.
>> In an attempt to answer my own question (and hence to justify the retention
>> of this custom allocator) I did this:
> [... patch changing allocator alloc()/free() to bare page allocations ...]
>> but it crashes early in the page allocator (i386) and I don't see why. It
>> makes me wonder if we have a use-after-free which is hidden by the presence
>> of the quicklist buffering or something.
On Fri, Mar 23, 2007 at 04:29:20AM -0700, William Lee Irwin III wrote:
> Sorry I flubbed the first message. Anyway this does mean something is
> seriously wrong and needs to be debugged. Looking into it now.
I know what's happening. I just need to catch the culprit.
-- wli
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next prev parent reply other threads:[~2007-03-23 14:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-23 6:28 Christoph Lameter
2007-03-23 6:28 ` [QUICKLIST 2/5] Quicklist support for IA64 Christoph Lameter
2007-03-23 6:28 ` [QUICKLIST 3/5] Quicklist support for i386 Christoph Lameter
2007-03-23 6:28 ` [QUICKLIST 4/5] Quicklist support for x86_64 Christoph Lameter
2007-03-23 6:29 ` [QUICKLIST 5/5] Quicklist support for sparc64 Christoph Lameter, David Miller
2007-03-23 6:39 ` [QUICKLIST 1/5] Quicklists for page table pages V4 Andrew Morton
2007-03-23 6:52 ` Christoph Lameter
2007-03-23 7:48 ` Andrew Morton
2007-03-23 11:23 ` William Lee Irwin III
2007-03-23 14:58 ` Christoph Lameter
2007-03-23 11:29 ` William Lee Irwin III
2007-03-23 14:57 ` William Lee Irwin III [this message]
2007-03-23 19:17 ` William Lee Irwin III
2007-03-23 11:39 ` Nick Piggin
2007-03-24 5:14 ` Andrew Morton
2007-03-23 15:08 ` Christoph Lameter
2007-03-23 17:54 ` Christoph Lameter
2007-03-24 6:21 ` Andrew Morton
2007-03-26 16:52 ` Christoph Lameter
2007-03-26 18:14 ` Christoph Lameter
2007-03-26 18:26 ` Andrew Morton
2007-03-27 1:06 ` William Lee Irwin III
2007-03-27 1:22 ` Christoph Lameter
2007-03-27 1:45 ` David Miller, William Lee Irwin III
2007-03-27 11:19 ` William Lee Irwin III
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