minix/servers/mm/const.h

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2005-04-21 16:53:53 +02:00
/* Constants used by the Memory Manager. */
#define NO_MEM ((phys_clicks) 0) /* returned by alloc_mem() with mem is up */
#if (CHIP == INTEL && _WORD_SIZE == 2)
/* These definitions are used in size_ok and are not needed for 386.
* The 386 segment granularity is 1 for segments smaller than 1M and 4096
* above that.
*/
#define PAGE_SIZE 16 /* how many bytes in a page (s.b.HCLICK_SIZE)*/
#define MAX_PAGES 4096 /* how many pages in the virtual addr space */
#endif
#define INIT_PID 1 /* init's process id number */