From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935645Ab2C3VLI (ORCPT ); Fri, 30 Mar 2012 17:11:08 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:54199 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935631Ab2C3VLA (ORCPT ); Fri, 30 Mar 2012 17:11:00 -0400 Message-Id: <20120330194843.126150667@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Fri, 30 Mar 2012 12:49:17 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Thomas Gleixner , Sasha Levin Subject: [ 044/149] math: Introduce div64_long In-Reply-To: <20120330195823.GA31857@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sasha Levin commit f910381a55cdaa097030291f272f6e6e4380c39a upstream. Add a div64_long macro which is used to devide a 64bit number by a long (which can be 4 bytes on 32bit systems and 8 bytes on 64bit systems). Suggested-by: Thomas Gleixner Signed-off-by: Sasha Levin Cc: johnstul@us.ibm.com Link: http://lkml.kernel.org/r/1331829374-31543-1-git-send-email-levinsasha928@gmail.com Signed-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman --- include/linux/math64.h | 4 ++++ 1 file changed, 4 insertions(+) --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -6,6 +6,8 @@ #if BITS_PER_LONG == 64 +#define div64_long(x,y) div64_s64((x),(y)) + /** * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder * @@ -45,6 +47,8 @@ static inline s64 div64_s64(s64 dividend #elif BITS_PER_LONG == 32 +#define div64_long(x,y) div_s64((x),(y)) + #ifndef div_u64_rem static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) {