swap.h revision 1.3 
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#include <uvm/uvm_extern.h>
19
20static inline long
21get_nr_swap_pages(void)
22{
23	return uvmexp.swpages - uvmexp.swpginuse;
24}
25
26/*
27 * XXX For now, we don't want the shrinker to be too aggressive, so
28 * pretend we're not called from the pagedaemon even if we are.
29 */
30#define current_is_kswapd()	0
31
32#endif
33