| #ifndef _LINUX_SWAPFILE_H | |
| #define _LINUX_SWAPFILE_H | |
| /* | |
| * these were static in swapfile.c but frontswap.c needs them and we don't | |
| * want to expose them to the dozens of source files that include swap.h | |
| */ | |
| extern spinlock_t swap_lock; | |
| extern struct plist_head swap_active_head; | |
| extern struct swap_info_struct *swap_info[]; | |
| extern int try_to_unuse(unsigned int, bool, unsigned long); | |
| #endif /* _LINUX_SWAPFILE_H */ |