21 lines
809 B
C
Executable file
21 lines
809 B
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_SWAPFILE_H
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#define _LINUX_SWAPFILE_H
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/*
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* these were static in swapfile.c but frontswap.c needs them and we don't
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* want to expose them to the dozens of source files that include swap.h
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*/
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extern spinlock_t swap_lock;
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extern struct plist_head swap_active_head;
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extern spinlock_t swap_avail_lock;
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extern struct plist_head *swap_avail_heads;
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extern struct swap_info_struct *swap_info[];
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extern int try_to_unuse(unsigned int, bool, unsigned long);
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extern unsigned long generic_max_swapfile_size(void);
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extern unsigned long max_swapfile_size(void);
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extern int swap_ratio(struct swap_info_struct **si, int node);
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extern void setup_swap_ratio(struct swap_info_struct *p, int prio);
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extern bool is_swap_ratio_group(int prio);
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#endif /* _LINUX_SWAPFILE_H */
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