include/linux/swapfile.h at v6.3 · tjh.dev/kernel

tjh.dev / kernel

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

kernel / include / linux / swapfile.h

at v6.3 650 B view raw

 1/* SPDX-License-Identifier: GPL-2.0 */
 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 */
 9extern struct swap_info_struct *swap_info[];
10extern unsigned long generic_max_swapfile_size(void);
11unsigned long arch_max_swapfile_size(void);
12
13/* Maximum swapfile size supported for the arch (not inclusive). */
14extern unsigned long swapfile_maximum_size;
15/* Whether swap migration entry supports storing A/D bits for the arch */
16extern bool swap_migration_ad_supported;
17
18#endif /* _LINUX_SWAPFILE_H */