Merge tag 'v3.7-rc3' into next to sync up with recent USB and MFD changes

1 files changed, 11 insertions, 13 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 604382143bcf..a123b13b70fd 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -1,15 +1,6 @@
 #ifndef _LINUX_KERNEL_H
 #define _LINUX_KERNEL_H
 
-#include <linux/sysinfo.h>
-
-/*
- * 'kernel.h' contains some often-used function prototypes etc
- */
-#define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
-#define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
-
-#ifdef __KERNEL__
 
 #include <stdarg.h>
 #include <linux/linkage.h>
@@ -22,6 +13,7 @@
 #include <linux/printk.h>
 #include <linux/dynamic_debug.h>
 #include <asm/byteorder.h>
+#include <uapi/linux/kernel.h>
 
 #define USHRT_MAX	((u16)(~0U))
 #define SHRT_MAX	((s16)(USHRT_MAX>>1))
@@ -82,10 +74,18 @@
 	__x - (__x % (y));				\
 }							\
 )
+
+/*
+ * Divide positive or negative dividend by positive divisor and round
+ * to closest integer. Result is undefined for negative divisors.
+ */
 #define DIV_ROUND_CLOSEST(x, divisor)(			\
 {							\
-	typeof(divisor) __divisor = divisor;		\
-	(((x) + ((__divisor) / 2)) / (__divisor));	\
+	typeof(x) __x = x;				\
+	typeof(divisor) __d = divisor;			\
+	(((typeof(x))-1) > 0 || (__x) > 0) ?		\
+		(((__x) + ((__d) / 2)) / (__d)) :	\
+		(((__x) - ((__d) / 2)) / (__d));	\
 }							\
 )
 
@@ -708,6 +708,4 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 
 extern int do_sysinfo(struct sysinfo *info);
 
-#endif /* __KERNEL__ */
-
 #endif