1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_SWAPFILE_H
3 #define _LINUX_SWAPFILE_H
4 
5 extern unsigned long generic_max_swapfile_size(void);
6 unsigned long arch_max_swapfile_size(void);
7 
8 /* Maximum swapfile size supported for the arch (not inclusive). */
9 extern unsigned long swapfile_maximum_size;
10 /* Whether swap migration entry supports storing A/D bits for the arch */
11 extern bool swap_migration_ad_supported;
12 
13 #endif /* _LINUX_SWAPFILE_H */
14