linux-kernel - Re: [PATCH] cpuset.c : Removes extra variable

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Message-Id: <20080807000251.d5a81641.pj@sgi.com>
Date:	Thu, 7 Aug 2008 00:02:51 -0500
From:	Paul Jackson <pj@....com>
To:	"Rakib Mullick" <rakib.mullick@...il.com>
Cc:	menage@...gle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpuset.c : Removes extra variable


  Andrew - I reverse my 'NAQ' on this patch.

Acked-by: Paul Jackson <pj@....com>


Rakib wrote:
> I think we should concentrate on how it will be executed.

Aha - you're right.  Your patch saves 12 bytes of kernel
text space (x86_64 arch).  I had assumed that the compiler
would optimize my inessential cpus_nonempty variable out of
existence, but that is not the case.

Thanks for persuing this, Rakib.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@....com> 1.940.382.4214
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