include/linux/pspace.h

   1 #ifndef _LINUX_PSPACE_H
   2 #define _LINUX_PSPACE_H
   3
   4 #include <linux/sched.h>
   5 #include <linux/mm.h>
   6 #include <linux/threads.h>
   7 #include <linux/pid.h>
   8
   9 struct pidmap {
  10        atomic_t nr_free;
  11        void *page;
  12 };
  13
  14 #define PIDMAP_ENTRIES         ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
  15
  16 struct pspace {
  17        struct pidmap pidmap[PIDMAP_ENTRIES];
  18        int last_pid;
  19 };
  20
  21 extern struct pspace init_pspace;
  22
  23 #endif /* _LINUX_PSPACE_H */