1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d6d630d31ef3..3a5b48e52a9e 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -103,6 +103,18 @@
                (((__x) - ((__d) / 2)) / (__d));        \
 }                                                       \
 )
+/*
+ * Same as above but for u64 dividends. divisor must be a 32-bit
+ * number.
+ */
+#define DIV_ROUND_CLOSEST_ULL(x, divisor)(              \
+{                                                       \
+        typeof(divisor) __d = divisor;                  \
+        unsigned long long _tmp = (x) + (__d) / 2;      \
+        do_div(_tmp, __d);                              \
+        _tmp;                                           \
+}                                                       \
+)
 /*
 * Multiplies an integer by a fraction, while avoiding unnecessary

diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d6d630d31ef3..3a5b48e52a9e 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h
@@ -103,6 +103,18 @@
103	(((__x) - ((__d) / 2)) / (__d)); \	103	(((__x) - ((__d) / 2)) / (__d)); \
104	} \	104	} \
105	)	105	)
		106	/*
		107	* Same as above but for u64 dividends. divisor must be a 32-bit
		108	* number.
		109	*/
		110	#define DIV_ROUND_CLOSEST_ULL(x, divisor)( \
		111	{ \
		112	typeof(divisor) __d = divisor; \
		113	unsigned long long _tmp = (x) + (__d) / 2; \
		114	do_div(_tmp, __d); \
		115	_tmp; \
		116	} \
		117	)
106		118
107	/*	119	/*
108	* Multiplies an integer by a fraction, while avoiding unnecessary	120	* Multiplies an integer by a fraction, while avoiding unnecessary