Commit f910381a authored by Sasha Levin's avatar Sasha Levin Committed by Thomas Gleixner

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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sasha Levin's avatarSasha Levin <levinsasha928@gmail.com>
Cc: johnstul@us.ibm.com
Link: http://lkml.kernel.org/r/1331829374-31543-1-git-send-email-levinsasha928@gmail.comSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c0a23923
......@@ -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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