#ifndef _UM_PARAM_H#define _UM_PARAM_H #define EXEC_PAGESIZE   4096 #ifndef NOGROUP#define NOGROUP         (-1)#endif #define MAXHOSTNAMELEN  64      /* max length of hostname */ #ifdef __KERNEL__#define HZ 100#define USER_HZ	100	   /* .. some user interfaces are in "ticks" */#define CLOCKS_PER_SEC (USER_HZ)  /* frequency at which times() counts */#endif #endif