linux-kernel - Re: [slubllv7 06/17] slub: Add cmpxchg_double

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Message-ID: <4E1CB134.7090808@zytor.com>
Date:	Tue, 12 Jul 2011 13:40:20 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Christoph Lameter <cl@...ux.com>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	David Rientjes <rientjes@...gle.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [slubllv7 06/17] slub: Add cmpxchg_double_slab()

On 07/12/2011 11:53 AM, Christoph Lameter wrote:
> Yeah. Isnt there some C trick to cast a word size struct to unsigned long?

Only a union.

	-hpa

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