From: Benjamin Herrenschmidt This patch has been in my tree for monthes and Paulus agrees that it should be made generic, so here we go, PPC32 is now proud to run at 1000HZ :) --- include/asm-ppc/param.h | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff -puN include/asm-ppc/param.h~ppc32-1000-hz include/asm-ppc/param.h --- 25/include/asm-ppc/param.h~ppc32-1000-hz 2004-01-21 20:14:50.000000000 -0800 +++ 25-akpm/include/asm-ppc/param.h 2004-01-21 20:14:50.000000000 -0800 @@ -1,16 +1,16 @@ #ifndef _ASM_PPC_PARAM_H #define _ASM_PPC_PARAM_H -#ifndef HZ -#define HZ 100 -#endif - #ifdef __KERNEL__ -#define HZ 100 /* internal timer frequency */ +#define HZ 1000 /* internal timer frequency */ #define USER_HZ 100 /* for user interfaces in "ticks" */ #define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ #endif /* __KERNEL__ */ +#ifndef HZ +#define HZ 100 +#endif + #define EXEC_PAGESIZE 4096 #ifndef NGROUPS _