1 #ifndef _LINUX_SWAPFILE_H
2 #define _LINUX_SWAPFILE_H
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
8 extern spinlock_t swap_lock
;
9 extern struct swap_list_t swap_list
;
10 extern struct swap_info_struct
*swap_info
[];
11 extern int try_to_unuse(unsigned int, bool, unsigned long);
13 #endif /* _LINUX_SWAPFILE_H */