1994/0322/pc/mem.h (diff list | history)

1994/0311/sys/src/9/pc/mem.h:12,18 – 1994/0322/sys/src/9/pc/mem.h:12,19 (short | long | prev | next)
Add ROUND, rewrite PGROUND. rsc Fri Mar 4 12:44:25 2005
1991/0625		#define BY2PG 4096 /* bytes per page */ #define WD2PG (BY2PG/BY2WD) /* words per page */
1991/0711		#define PGSHIFT 12 /* log(BY2PG) */
1991/0625		#define PGROUND(s) (((s)+(BY2PG-1))&~(BY2PG-1))
1994/0322		#define ROUND(s, sz) (((s)+(sz-1))&~(sz-1)) #define PGROUND(s) ROUND(s, BY2PG)
1991/0625		#define MAXMACH 1 /* max # cpus system can run */