--- linux-2.6.9/include/asm-i386/param.h        2004-10-18 22:53:24.000000000 +0100
+++ /tmp/i386-param.h   2007-11-02 23:24:57.000000000 +0000
@@ -2,7 +2,7 @@
 #define _ASMi386_PARAM_H

 #ifdef __KERNEL__
-# define HZ            1000            /* Internal kernel timer frequency */
+# define HZ            100             /* Internal kernel timer frequency */
 # define USER_HZ       100             /* .. some user interfaces are in "ticks" */
 # define CLOCKS_PER_SEC                (USER_HZ)       /* like times() */
 #endif
--- linux-2.6.9/include/asm-x86_64/param.h      2004-10-18 22:54:32.000000000 +0100
+++ /tmp/x86_64-param.h 2007-11-02 23:24:38.000000000 +0000
@@ -2,7 +2,7 @@
 #define _ASMx86_64_PARAM_H

 #ifdef __KERNEL__
-# define HZ            1000            /* Internal kernel timer frequency */
+# define HZ            100            /* Internal kernel timer frequency */
 # define USER_HZ       100          /* .. some user interfaces are in "ticks */
 #define CLOCKS_PER_SEC        (USER_HZ)       /* like times() */
 #endif