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Message-ID: <48C8593C.9080801@sgi.com>
Date:	Wed, 10 Sep 2008 16:33:16 -0700
From:	Mike Travis <travis@....com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	davej@...emonkey.org.uk, David Miller <davem@...emloft.net>,
	Eric Dumazet <dada1@...mosbay.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Jack Steiner <steiner@....com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Jes Sorensen <jes@....com>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [RFC] CPUMASK: proposal for replacing cpumask_t

Andi Kleen wrote:
>> Here's an initial proposal for abstracting cpumask_t to be either
> 
> At least for some cases I don't think you'll get around defining
> a "nearby subset of CPUs that can be handled together" type. Handling 1K 
> objects all the time in one piece is simply not a good idea.
> 
> -Andi


Every time I stop to think about this, the problems with the cpu
operators come to mind.  Should there be a separate set?  Or simply
conversion functions to/from a "cpumask_subset" type?  

Thanks,
Mike
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