ia64/linux-2.6.18-xen.hg

view include/asm-generic/bitops/ffz.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 #ifndef _ASM_GENERIC_BITOPS_FFZ_H_
2 #define _ASM_GENERIC_BITOPS_FFZ_H_
4 /*
5 * ffz - find first zero in word.
6 * @word: The word to search
7 *
8 * Undefined if no zero exists, so code should check against ~0UL first.
9 */
10 #define ffz(x) __ffs(~(x))
12 #endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */