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Subject: Re: [PATCH 00/21] mm: Preemptibility -v6
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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Date: Tue, 18 Jan 2011 11:50:01 +0100
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On Mon, 2011-01-17 at 23:12 -0800, Hugh Dickins wrote:
> 21/21 mm-optimize_page_lock_anon_vma_fast-path.patch
>       I certainly see the call for this patch, I want to eliminate those
>       doubled atomics too.  This appears correct to me, and I've not dreamt
>       up an alternative; but I do dislike it, and I suspect you don't like
>       it much either.  I'm ambivalent about it, would love a better patch. 

Spot on, maybe a one of our keen readers will have a bright idea.. :-)