From: Robert P. J. Day <rpjday@crashcourse.ca>
Date: Wed, 6 Feb 2008 09:36:54 +0000 (-0800)
Subject: log2.h: Define order_base_2() macro for convenience.
X-Git-Tag: v2.6.25-rc1~733
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de9330d13eac1f331e63ab1d18c506365b0151f3;p=pandora-kernel.git

log2.h: Define order_base_2() macro for convenience.

Given a number of places in the tree that need to calculate this value
explicitly, might as well just create a macro for it.

(akpm: must be implemented as a macro for callee typeof() usage)

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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