1 #define NPROC 64 2 #define PAGE 4096 3 #define KSTACKSIZE PAGE 4 #define NCPU 8 5 #define NOFILE 16 // file descriptors per process 6 #define NFD 100 // file descriptors per system 7 #define NREQUEST 100 // outstanding disk requests 8 #define NBUF 10 9 #define NINODE 100 10 #define NDEV 10 11