ppc64: define SMP_CACHE_BYTES and cleanup HZ handling

include/asm-ppc64/cache.h

@@ -11,4 +11,6 @@
 #define L1_CACHE_SHIFT	7
 #define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)
 
+#define SMP_CACHE_BYTES L1_CACHE_BYTES
+
 #endif

include/asm-ppc64/param.h

@@ -8,18 +8,14 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#ifndef HZ
-#define HZ 1024
 #ifdef __KERNEL__
-#if HZ == 100
-/* ppc (like X86) is defined to provide userspace with a world where HZ=100
-   We have to do this, (x*const)/const2 isnt optimised out because its not
-   a null operation as it might overflow.. */
-#define hz_to_std(a) (a)
-#else
-#define hz_to_std(a) ((a)*(100/HZ)+((a)*(100%HZ))/HZ)
-#endif
+# define HZ		1000		/* Internal kernel timer frequency */
+# define USER_HZ	100		/* .. some user interfaces are in "ticks" */
+# define CLOCKS_PER_SEC	(USER_HZ)	/* like times() */
 #endif
+
+#ifndef HZ
+#define HZ 100
 #endif
 
 #define EXEC_PAGESIZE	4096
@@ -34,8 +30,4 @@
 
 #define MAXHOSTNAMELEN	64	/* max length of hostname */
 
-#ifdef __KERNEL__
-# define CLOCKS_PER_SEC	HZ	/* frequency at which times() counts */
-#endif
-
 #endif /* _ASM_PPC64_PARAM_H */