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