1*14048Ssam /* param.c 4.18 83/07/21 */ 23124Swnj 33124Swnj #include "../h/param.h" 43124Swnj #include "../h/systm.h" 54668Swnj #include "../h/socket.h" 63124Swnj #include "../h/dir.h" 73124Swnj #include "../h/user.h" 83124Swnj #include "../h/proc.h" 93124Swnj #include "../h/text.h" 103124Swnj #include "../h/inode.h" 113124Swnj #include "../h/file.h" 123124Swnj #include "../h/callout.h" 133124Swnj #include "../h/clist.h" 143124Swnj #include "../h/cmap.h" 154824Swnj #include "../h/mbuf.h" 167638Ssam #include "../h/quota.h" 178229Sroot #include "../h/kernel.h" 183124Swnj /* 193124Swnj * System parameter formulae. 203124Swnj * 213124Swnj * This file is copied into each directory where we compile 223124Swnj * the kernel; it should be modified there to suit local taste 233124Swnj * if necessary. 243124Swnj * 253124Swnj * Compiled with -DHZ=xx -DTIMEZONE=x -DDST=x -DMAXUSERS=xx 263124Swnj */ 273124Swnj 288229Sroot #define HZ 100 293124Swnj int hz = HZ; 308229Sroot int tick = 1000000 / HZ; 318229Sroot struct timezone tz = { TIMEZONE, DST }; 323124Swnj #define NPROC (20 + 8 * MAXUSERS) 333124Swnj int nproc = NPROC; 34*14048Ssam #ifdef INET 35*14048Ssam #define NETSLOP 20 /* for all the lousy servers*/ 36*14048Ssam #else 37*14048Ssam #define NETSLOP 0 38*14048Ssam #endif 39*14048Ssam int ntext = 24 + MAXUSERS + NETSLOP; 403463Sroot int ninode = (NPROC + 16 + MAXUSERS) + 32; 41*14048Ssam int nfile = 16 * (NPROC + 16 + MAXUSERS) / 10 + 32 + 2 * NETSLOP; 429248Ssam int ncallout = 16 + NPROC; 433124Swnj int nclist = 100 + 16 * MAXUSERS; 443620Sroot int nport = NPROC / 2; 455148Swnj int nmbclusters = NMBCLUSTERS; 469183Ssam #ifdef QUOTA 477638Ssam int nquota = (MAXUSERS * 9)/7 + 3; 487638Ssam int ndquot = (MAXUSERS*NMOUNT)/4 + NPROC; 497638Ssam #endif 503124Swnj 513124Swnj /* 523124Swnj * These are initialized at bootstrap time 533124Swnj * to values dependent on memory size 543124Swnj */ 553124Swnj int nbuf, nswbuf; 563124Swnj 573124Swnj /* 583124Swnj * These have to be allocated somewhere; allocating 593124Swnj * them here forces loader errors if this file is omitted. 603124Swnj */ 613124Swnj struct proc *proc, *procNPROC; 623124Swnj struct text *text, *textNTEXT; 633124Swnj struct inode *inode, *inodeNINODE; 643124Swnj struct file *file, *fileNFILE; 653124Swnj struct callout *callout; 663124Swnj struct cblock *cfree; 673124Swnj struct buf *buf, *swbuf; 683124Swnj short *swsize; 693124Swnj int *swpf; 703124Swnj char *buffers; 713124Swnj struct cmap *cmap, *ecmap; 729183Ssam #ifdef QUOTA 737638Ssam struct quota *quota, *quotaNQUOTA; 747638Ssam struct dquot *dquot, *dquotNDQUOT; 757638Ssam #endif 76