Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030411AbWBNFGY (ORCPT ); Tue, 14 Feb 2006 00:06:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030403AbWBNFGA (ORCPT ); Tue, 14 Feb 2006 00:06:00 -0500 Received: from ns.miraclelinux.com ([219.118.163.66]:60623 "EHLO mail01.miraclelinux.com") by vger.kernel.org with ESMTP id S1030402AbWBNFFK (ORCPT ); Tue, 14 Feb 2006 00:05:10 -0500 Message-Id: <20060214050443.852246000@localhost.localdomain> References: <20060214050351.252615000@localhost.localdomain> Date: Tue, 14 Feb 2006 14:04:02 +0900 From: Akinobu Mita To: linux-kernel@vger.kernel.org Cc: akpm@osdl.org, Richard Henderson , Ivan Kokshaysky , Russell King , Ian Molton , dev-etrax@axis.com, David Howells , Yoshinori Sato , Linus Torvalds , linux-ia64@vger.kernel.org, Hirokazu Takata , linux-m68k@vger.kernel.org, Greg Ungerer , linux-mips@linux-mips.org, parisc-linux@parisc-linux.org, linuxppc-dev@ozlabs.org, linux390@de.ibm.com, linuxsh-dev@lists.sourceforge.net, linuxsh-shmedia-dev@lists.sourceforge.net, sparclinux@vger.kernel.org, ultralinux@vger.kernel.org, Miles Bader , Andi Kleen , Chris Zankel , Akinobu Mita Subject: [patch 11/47] generic fls64() Content-Disposition: inline; filename=fls64.patch Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 999 Lines: 36 This patch introduces the C-language equivalent of the function: int fls64(__u64 x); In include/asm-generic/bitops/fls64.h This code largely copied from: include/linux/bitops.h Signed-off-by: Akinobu Mita include/asm-generic/bitops/fls64.h | 12 ++++++++++++ 1 files changed, 12 insertions(+) Index: 2.6-rc/include/asm-generic/bitops/fls64.h =================================================================== --- /dev/null +++ 2.6-rc/include/asm-generic/bitops/fls64.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_BITOPS_FLS64_H_ +#define _ASM_GENERIC_BITOPS_FLS64_H_ + +static inline int fls64(__u64 x) +{ + __u32 h = x >> 32; + if (h) + return fls(h) + 32; + return fls(x); +} + +#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/