linux-kernel - Re: [PATCH] SLUB use cmpxchg

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Message-ID: <Pine.LNX.4.64.0708271514020.8891@schroedinger.engr.sgi.com>
Date:	Mon, 27 Aug 2007 15:15:32 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	mingo@...hat.com
Subject: Re: [PATCH] SLUB use cmpxchg_local

Hmmmm. One wild idea would be to use a priority futex for the slab lock? 
That would make the slow paths interrupt safe without requiring interrupt 
disable? Does a futex fit into the page struct?

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