xv6-cs450/param.h

#define NPROC        64  // maximum number of processes
#define PAGE       4096  // conveniently chosen to be equal to PGSIZE
#define KSTACKSIZE PAGE  // size of per-process kernel stack
#define NCPU          8  // maximum number of CPUs
#define NOFILE       16  // open files per process
#define NFILE       100  // open files per system
#define NBUF         10  // size of disk block cache
#define NINODE       50  // maximum number of active i-nodes
#define NDEV         10  // maximum major device number
#define ROOTDEV       1  // device number of file system root disk
spacing 2006-09-06 19:06:10 +02:00			`#define NPROC 64 // maximum number of processes`
Initial version of single-cpu xv6 with page tables 2010-07-02 20:51:53 +02:00			`#define PAGE 4096 // conveniently chosen to be equal to PGSIZE`
spacing 2006-09-06 19:06:10 +02:00			`#define KSTACKSIZE PAGE // size of per-process kernel stack`
			`#define NCPU 8 // maximum number of CPUs`
struct fd -> struct file 2006-09-06 20:38:56 +02:00			`#define NOFILE 16 // open files per process`
			`#define NFILE 100 // open files per system`
spacing 2006-09-06 19:06:10 +02:00			`#define NBUF 10 // size of disk block cache`
add missing iput() at end of _namei() 2007-08-24 16:56:17 +02:00			`#define NINODE 50 // maximum number of active i-nodes`
spacing 2006-09-06 19:06:10 +02:00			`#define NDEV 10 // maximum major device number`
PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf Various changes made while offline. + bwrite sector argument is redundant; use b->sector. + reformatting of files for nicer PDF page breaks + distinguish between locked, unlocked inodes in type signatures + change FD_FILE to FD_INODE + move userinit (nee proc0init) to proc.c + move ROOTDEV to param.h + always parenthesize sizeof argument 2007-08-22 08:01:32 +02:00			`#define ROOTDEV 1 // device number of file system root disk`