diff options
Diffstat (limited to 'include/linux/swapfile.h')
| -rw-r--r-- | include/linux/swapfile.h | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/include/linux/swapfile.h b/include/linux/swapfile.h index e06febf62978..99e3ed469e88 100644 --- a/include/linux/swapfile.h +++ b/include/linux/swapfile.h @@ -2,15 +2,12 @@ #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); extern unsigned long generic_max_swapfile_size(void); -extern unsigned long max_swapfile_size(void); +unsigned long arch_max_swapfile_size(void); + +/* Maximum swapfile size supported for the arch (not inclusive). */ +extern unsigned long swapfile_maximum_size; +/* Whether swap migration entry supports storing A/D bits for the arch */ +extern bool swap_migration_ad_supported; #endif /* _LINUX_SWAPFILE_H */ |