| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Dan Magenheimer | 38b5faf | 2012-04-09 17:08:06 -0600 | [diff] [blame] | 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 | */ |
| 9 | extern spinlock_t swap_lock; |
| Dan Streetman | 18ab4d4 | 2014-06-04 16:09:59 -0700 | [diff] [blame] | 10 | extern struct plist_head swap_active_head; |
| Dan Magenheimer | 38b5faf | 2012-04-09 17:08:06 -0600 | [diff] [blame] | 11 | extern struct swap_info_struct *swap_info[]; |
| 12 | extern int try_to_unuse(unsigned int, bool, unsigned long); |
| Andi Kleen | 377eeaa | 2018-06-13 15:48:28 -0700 | [diff] [blame] | 13 | extern unsigned long generic_max_swapfile_size(void); |
| 14 | extern unsigned long max_swapfile_size(void); |
| Dan Magenheimer | 38b5faf | 2012-04-09 17:08:06 -0600 | [diff] [blame] | 15 | |
| 16 | #endif /* _LINUX_SWAPFILE_H */ |