linux-kernel - Re: [PATCH 1/1] cpumask: Change cpumask_of_cpu to use cpumask_of_cpu

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Message-ID: <48891DDF.7090903@sgi.com>
Date:	Thu, 24 Jul 2008 17:27:11 -0700
From:	Mike Travis <travis@....com>
To:	Bert Wesarg <bert.wesarg@...glemail.com>
CC:	Ingo Molnar <mingo@...e.hu>, Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Jack Steiner <steiner@....com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Len Brown <len.brown@...el.com>,
	Lennert Buytenhek <kernel@...tstofly.org>,
	Dave Jones <davej@...emonkey.org.uk>,
	Paul Jackson <pj@....com>, Tony Luck <tony.luck@...el.com>,
	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Robert Richter <robert.richter@....com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Sam Creasey <sammy@...my.net>, Greg Banks <gnb@....com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Adrian Bunk <bunk@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andreas Schwab <schwab@...e.de>,
	Johannes Weiner <hannes@...urebad.de>
Subject: Re: [PATCH 1/1] cpumask: Change cpumask_of_cpu to use cpumask_of_cpu_map

Mike Travis wrote:
> Bert Wesarg wrote:
:
> 
> .... Second, why do you want to set the last unsigned long to
>> one? Shouldn't this be the first?
> 
> The MSB of the cpumask is the highest numbered cpu, the LSB is the lowest.
> (Caught me early on as well.)

Forget what I said.  I was thinking of how the cpumask_scnprintf prints out
the cpumask and assumed (incorrectly) the bit layout was the same.  

Mike
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