Commit-ID: f910381a55cdaa097030291f272f6e6e4380c39a
Gitweb: http://git.kernel.org/tip/f910381a55cdaa097030291f272f6e6e4380c39a
Author: Sasha Levin <levinsasha928@xxxxxxxxx>
AuthorDate: Thu, 15 Mar 2012 12:36:13 -0400
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 15 Mar 2012 21:41:34 +0100
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 <tglx@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Cc: johnstul@xxxxxxxxxx
Link: http://lkml.kernel.org/r/1331829374-31543-1-git-send-email-levinsasha928@xxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
include/linux/math64.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
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)
{
--
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