swap.h revision 1.5 
1/* Public domain. */
2
3#ifndef _LINUX_SWAP_H
4#define _LINUX_SWAP_H
5
6/*
7 * normally clock.h would be indirectly included via
8 *
9 * linux/swap.h
10 * linux/memcontrol.h
11 * linux/writeback.h
12 * linux/blk-cgroup.h
13 * linux/blkdev.h
14 * linux/sched/clock.h
15 */
16#include <linux/sched/clock.h>
17
18/*
19 * normally module.h would be indirectly included via
20 * linux/swap.h
21 * linux/memcontrol.h
22 * linux/cgroup.h
23 * linux/cgroup-defs.h
24 * linux/bpf-cgroup.h
25 * linux/bpf.h
26 * linux/module.h
27 */
28#include <linux/module.h>
29
30#include <uvm/uvm_extern.h>
31
32static inline long
33get_nr_swap_pages(void)
34{
35	return uvmexp.swpages - uvmexp.swpginuse;
36}
37
38/*
39 * XXX For now, we don't want the shrinker to be too aggressive, so
40 * pretend we're not called from the pagedaemon even if we are.
41 */
42static inline int
43current_is_kswapd(void)
44{
45	return 0;
46}
47
48#endif
49