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/* 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 */
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