Subject: + include-linux-math64h-add-div64_ul.patch added to -mm tree
To: alex.shi@xxxxxxxxx,mingo@xxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 10 Jun 2013 15:31:18 -0700
The patch titled
Subject: include/linux/math64.h: add div64_ul()
has been added to the -mm tree. Its filename is
include-linux-math64h-add-div64_ul.patch
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From: Alex Shi <alex.shi@xxxxxxxxx>
Subject: include/linux/math64.h: add div64_ul()
There is div64_long() to handle the s64/long division, but no mocro do
u64/ul division. It is necessary in some scenarios, so add this function.
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/math64.h | 2 ++
1 file changed, 2 insertions(+)
diff -puN include/linux/math64.h~include-linux-math64h-add-div64_ul include/linux/math64.h
--- a/include/linux/math64.h~include-linux-math64h-add-div64_ul
+++ a/include/linux/math64.h
@@ -7,6 +7,7 @@
#if BITS_PER_LONG == 64
#define div64_long(x,y) div64_s64((x),(y))
+#define div64_ul(x,y) div64_u64((x),(y))
/**
* div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
@@ -48,6 +49,7 @@ static inline s64 div64_s64(s64 dividend
#elif BITS_PER_LONG == 32
#define div64_long(x,y) div_s64((x),(y))
+#define div64_ul(x,y) div_u64((x),(y))
#ifndef div_u64_rem
static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
_
Patches currently in -mm which might be from alex.shi@xxxxxxxxx are
linux-next.patch
include-linux-math64h-add-div64_ul.patch
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