introduce lower_32_bits() macro
authorJoerg Roedel <joerg.roedel@amd.com>
Wed, 30 Jul 2008 05:33:42 +0000 (22:33 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 30 Jul 2008 16:41:46 +0000 (09:41 -0700)
commit204b885e7322656284626949e51f292fe61313fa
tree8cf2371c6f4892ae2ffef5d448698f99c5d71777
parent87547ee95d81ec0ee1503fcaf9c9594469bc2510
introduce lower_32_bits() macro

The file kernel.h contains the upper_32_bits macro.  This patch adds the
other part, the lower_32_bits macro.  Its first use will be in the driver
for AMD IOMMU.

Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/kernel.h