kernel: Move REPEAT_BYTE definition into linux/kernel.h

And make sure that everything using it explicitly includes
that header file.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/lib/usercopy.c

 #include <linux/module.h>
 #include <linux/uaccess.h>
+#include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/bug.h>
 
@@ -11,8 +12,6 @@ void copy_from_user_overflow(void)
 }
 EXPORT_SYMBOL(copy_from_user_overflow);
 
-#define REPEAT_BYTE(x)	((~0ul / 0xff) * (x))
-
 static inline long find_zero(unsigned long mask)
 {
 	long byte = 0;

arch/x86/include/asm/word-at-a-time.h

 #ifndef _ASM_WORD_AT_A_TIME_H
 #define _ASM_WORD_AT_A_TIME_H
 
+#include <linux/kernel.h>
+
 /*
  * This is largely generic for little-endian machines, but the
  * optimal byte mask counting is probably going to be something
@@ -35,8 +37,6 @@ static inline long count_masked_bytes(long mask)
 
 #endif
 
-#define REPEAT_BYTE(x)	((~0ul / 0xff) * (x))
-
 /* Return the high bit set in the first byte that is a zero */
 static inline unsigned long has_zero(unsigned long a)
 {

fs/namei.c

@@ -16,6 +16,7 @@
 
 #include <linux/init.h>
 #include <linux/export.h>
+#include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/namei.h>

include/linux/kernel.h

@@ -38,6 +38,8 @@
 
 #define STACK_MAGIC	0xdeadbeef
 
+#define REPEAT_BYTE(x)	((~0ul / 0xff) * (x))
+
 #define ALIGN(x, a)		__ALIGN_KERNEL((x), (a))
 #define __ALIGN_MASK(x, mask)	__ALIGN_KERNEL_MASK((x), (mask))
 #define PTR_ALIGN(p, a)		((typeof(p))ALIGN((unsigned long)(p), (a)))