LXR linux/include/linux/swapfile.h

   1#ifndef _LINUX_SWAPFILE_H
   2#define _LINUX_SWAPFILE_H
   3
   4/*
   5 * these were static in swapfile.c but frontswap.c needs them and we don't
   6 * want to expose them to the dozens of source files that include swap.h
   7 */
   8extern spinlock_t swap_lock;
   9extern struct plist_head swap_active_head;
  10extern struct swap_info_struct *swap_info[];
  11extern int try_to_unuse(unsigned int, bool, unsigned long);
  12
  13#endif /* _LINUX_SWAPFILE_H */
  14