Date: Tue, 10 Nov 2009 22:29:28 +0000 (GMT)
From: Hugh Dickins <hugh.dickins@tiscali.co.uk>
To: Peter Zijlstra <peterz@infradead.org>
cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>,
       Andrew Morton <akpm@linux-foundation.org>,
       Izik Eidus <ieidus@redhat.com>, Andrea Arcangeli <aarcange@redhat.com>,
       Christoph Lameter <cl@linux-foundation.org>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 5/6] mm: stop ptlock enlarging struct page
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On Tue, 10 Nov 2009, Peter Zijlstra wrote:
> 
> fwiw, in -rt we carry this, because there spinlock_t is huge even
> without lockdep.

Thanks, I may want to consider that; but I'm not keen on darting
off to another cacheline even for the non-debug spinlock case.

Hugh
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