From: Dave Young <dyoung@redhat.com>
Date: Wed, 23 Nov 2011 16:20:53 +0000 (-0800)
Subject: percpu: explain why per_cpu_ptr_to_phys() is more complicated than necessary
X-Git-Tag: v3.2-rc4~14^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=67589c71456b0346500629967292dea3802230b6;p=pandora-kernel.git

percpu: explain why per_cpu_ptr_to_phys() is more complicated than necessary

Add comments about current per_cpu_ptr_to_phys implementation to
explain why the logic is more complicated than necessary.

-tj: relocated comment into kerneldoc comment

Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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