| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #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 struct swap_info_struct *swap_info[]; | |
| extern unsigned long generic_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 */ |