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Date: Tue, 10 Nov 2009 22:29:28 +0000 (GMT) From: Hugh Dickins <hugh.dickins@...cali.co.uk> To: Peter Zijlstra <peterz@...radead.org> cc: Hugh Dickins <hugh.dickins@...cali.co.uk>, Andrew Morton <akpm@...ux-foundation.org>, Izik Eidus <ieidus@...hat.com>, Andrea Arcangeli <aarcange@...hat.com>, Christoph Lameter <cl@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH 5/6] mm: stop ptlock enlarging struct page 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 -- 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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