[linux-2.6-block.git] / include / linux / swapfile.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
38b5faf4 DM	2	#ifndef _LINUX_SWAPFILE_H
	3	#define _LINUX_SWAPFILE_H
	4
	5	/*
	6	* these were static in swapfile.c but frontswap.c needs them and we don't
	7	* want to expose them to the dozens of source files that include swap.h
	8	*/
38b5faf4	9	extern struct swap_info_struct *swap_info[];
377eeaa8	10	extern unsigned long generic_max_swapfile_size(void);
be45a490 PX	11	unsigned long arch_max_swapfile_size(void);
	12
	13	/* Maximum swapfile size supported for the arch (not inclusive). */
	14	extern unsigned long swapfile_maximum_size;
5154e607 PX	15	/* Whether swap migration entry supports storing A/D bits for the arch */
5154e607 PX	16	extern bool swap_migration_ad_supported;
38b5faf4 DM	17
38b5faf4 DM	18	#endif /* _LINUX_SWAPFILE_H */