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Message-ID: <20070323145707.GT2986@holomorphy.com> Date: Fri, 23 Mar 2007 07:57:07 -0700 From: William Lee Irwin III <wli@...omorphy.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Christoph Lameter <clameter@....com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [QUICKLIST 1/5] Quicklists for page table pages V4 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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