From f910381a55cdaa097030291f272f6e6e4380c39a Mon Sep 17 00:00:00 2001 From: Sasha Levin Date: Thu, 15 Mar 2012 12:36:13 -0400 Subject: math: Introduce div64_long 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 --- include/linux/math64.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/math64.h b/include/linux/math64.h index 23fcdfc..b8ba855 100644 --- 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, s64 divisor) #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) { -- cgit v1.1