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 04:23:31 -0700 [thread overview]
Message-ID: <20070323112331.GQ2986@holomorphy.com> (raw)
In-Reply-To: <20070322234848.100abb3d.akpm@linux-foundation.org>
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.
WARNING: multiple messages have this Message-ID (diff)
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 04:23:31 -0700 [thread overview]
Message-ID: <20070323112331.GQ2986@holomorphy.com> (raw)
In-Reply-To: <20070322234848.100abb3d.akpm@linux-foundation.org>
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.
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next prev parent reply other threads:[~2007-03-23 11:23 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-23 6:28 [QUICKLIST 1/5] Quicklists for page table pages V4 Christoph Lameter
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 ` Christoph Lameter
2007-03-23 6:28 ` [QUICKLIST 3/5] Quicklist support for i386 Christoph Lameter
2007-03-23 6:28 ` Christoph Lameter
2007-03-23 6:28 ` [QUICKLIST 4/5] Quicklist support for x86_64 Christoph Lameter
2007-03-23 6:28 ` Christoph Lameter
2007-03-23 6:29 ` [QUICKLIST 5/5] Quicklist support for sparc64 Christoph Lameter
2007-03-23 6:29 ` Christoph Lameter, David Miller
2007-03-23 6:39 ` [QUICKLIST 1/5] Quicklists for page table pages V4 Andrew Morton
2007-03-23 6:39 ` Andrew Morton
2007-03-23 6:52 ` Christoph Lameter
2007-03-23 6:52 ` Christoph Lameter
2007-03-23 7:48 ` Andrew Morton
2007-03-23 7:48 ` Andrew Morton
2007-03-23 11:23 ` William Lee Irwin III [this message]
2007-03-23 11:23 ` William Lee Irwin III
2007-03-23 14:58 ` Christoph Lameter
2007-03-23 14:58 ` Christoph Lameter
2007-03-23 11:29 ` William Lee Irwin III
2007-03-23 11:29 ` William Lee Irwin III
2007-03-23 14:57 ` William Lee Irwin III
2007-03-23 14:57 ` William Lee Irwin III
2007-03-23 19:17 ` William Lee Irwin III
2007-03-23 19:17 ` William Lee Irwin III
2007-03-23 11:39 ` Nick Piggin
2007-03-23 11:39 ` Nick Piggin
2007-03-24 5:14 ` Andrew Morton
2007-03-24 5:14 ` Andrew Morton
2007-03-23 15:08 ` Christoph Lameter
2007-03-23 15:08 ` Christoph Lameter
2007-03-23 17:54 ` Christoph Lameter
2007-03-23 17:54 ` Christoph Lameter
2007-03-24 6:21 ` Andrew Morton
2007-03-24 6:21 ` Andrew Morton
2007-03-26 16:52 ` Christoph Lameter
2007-03-26 16:52 ` Christoph Lameter
2007-03-26 18:14 ` Christoph Lameter
2007-03-26 18:14 ` Christoph Lameter
2007-03-26 18:26 ` Andrew Morton
2007-03-26 18:26 ` Andrew Morton
2007-03-27 1:06 ` William Lee Irwin III
2007-03-27 1:06 ` William Lee Irwin III
2007-03-27 1:22 ` Christoph Lameter
2007-03-27 1:22 ` Christoph Lameter
2007-03-27 1:45 ` David Miller
2007-03-27 1:45 ` David Miller, William Lee Irwin III
2007-03-27 11:19 ` William Lee Irwin III
2007-03-27 11:19 ` William Lee Irwin III
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