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14#ifndef _LINUX_NODE_H_
15#define _LINUX_NODE_H_
16
17#include <linux/device.h>
18#include <linux/cpumask.h>
19#include <linux/workqueue.h>
20
21struct node {
22 struct device dev;
23
24#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HUGETLBFS)
25 struct work_struct node_work;
26#endif
27};
28
29struct memory_block;
30extern struct node node_devices[];
31typedef void (*node_registration_func_t)(struct node *);
32
33extern int register_node(struct node *, int, struct node *);
34extern void unregister_node(struct node *node);
35#ifdef CONFIG_NUMA
36extern int register_one_node(int nid);
37extern void unregister_one_node(int nid);
38extern int register_cpu_under_node(unsigned int cpu, unsigned int nid);
39extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid);
40extern int register_mem_sect_under_node(struct memory_block *mem_blk,
41 int nid);
42extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk,
43 unsigned long phys_index);
44
45#ifdef CONFIG_HUGETLBFS
46extern void register_hugetlbfs_with_node(node_registration_func_t doregister,
47 node_registration_func_t unregister);
48#endif
49#else
50static inline int register_one_node(int nid)
51{
52 return 0;
53}
54static inline int unregister_one_node(int nid)
55{
56 return 0;
57}
58static inline int register_cpu_under_node(unsigned int cpu, unsigned int nid)
59{
60 return 0;
61}
62static inline int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
63{
64 return 0;
65}
66static inline int register_mem_sect_under_node(struct memory_block *mem_blk,
67 int nid)
68{
69 return 0;
70}
71static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk,
72 unsigned long phys_index)
73{
74 return 0;
75}
76
77static inline void register_hugetlbfs_with_node(node_registration_func_t reg,
78 node_registration_func_t unreg)
79{
80}
81#endif
82
83#define to_node(device) container_of(device, struct node, dev)
84
85#endif
86