Cregit: swapfile.h

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Dan Magenheimer	37	66.07%	1	25.00%
Andi Kleen	16	28.57%	1	25.00%
Dan Streetman	2	3.57%	1	25.00%
Greg Kroah-Hartman	1	1.79%	1	25.00%
Total	56		4

/* 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 spinlock_t swap_lock;
extern struct plist_head swap_active_head;
extern struct swap_info_struct *swap_info[];
extern int try_to_unuse(unsigned int, bool, unsigned long);
extern unsigned long generic_max_swapfile_size(void);
extern unsigned long max_swapfile_size(void);

#endif /* _LINUX_SWAPFILE_H */