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