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-rw-r--r--include/linux/math64.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/math64.h b/include/linux/math64.h
index c87f1528703..23fcdfcba81 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -35,6 +35,14 @@ static inline u64 div64_u64(u64 dividend, u64 divisor)
return dividend / divisor;
}
+/**
+ * div64_s64 - signed 64bit divide with 64bit divisor
+ */
+static inline s64 div64_s64(s64 dividend, s64 divisor)
+{
+ return dividend / divisor;
+}
+
#elif BITS_PER_LONG == 32
#ifndef div_u64_rem
@@ -53,6 +61,10 @@ extern s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder);
extern u64 div64_u64(u64 dividend, u64 divisor);
#endif
+#ifndef div64_s64
+extern s64 div64_s64(s64 dividend, s64 divisor);
+#endif
+
#endif /* BITS_PER_LONG */
/**