blob: 35d5fc77b4be9b2cec488d57fcbe00f27f2f4db1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#ifndef _LINUX_SCHED_NUMA_BALANCING_H
#define _LINUX_SCHED_NUMA_BALANCING_H
/*
* This is the interface between the scheduler and the MM that
* implements memory access pattern based NUMA-balancing:
*/
#include <linux/sched.h>
#define TNF_MIGRATED 0x01
#define TNF_NO_GROUP 0x02
#define TNF_SHARED 0x04
#define TNF_FAULT_LOCAL 0x08
#define TNF_MIGRATE_FAIL 0x10
#ifdef CONFIG_NUMA_BALANCING
extern void task_numa_fault(int last_node, int node, int pages, int flags);
extern pid_t task_numa_group_id(struct task_struct *p);
extern void set_numabalancing_state(bool enabled);
extern void task_numa_free(struct task_struct *p);
extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page,
int src_nid, int dst_cpu);
#else
static inline void task_numa_fault(int last_node, int node, int pages,
int flags)
{
}
static inline pid_t task_numa_group_id(struct task_struct *p)
{
return 0;
}
static inline void set_numabalancing_state(bool enabled)
{
}
static inline void task_numa_free(struct task_struct *p)
{
}
static inline bool should_numa_migrate_memory(struct task_struct *p,
struct page *page, int src_nid, int dst_cpu)
{
return true;
}
#endif
#endif /* _LINUX_SCHED_NUMA_BALANCING_H */
|
