summaryrefslogtreecommitdiff
path: root/include/asm-x86/numa_64.h
blob: 941889471b52bdfca544aa3f3a8a1c27e7fc2bb8 (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
#ifndef _ASM_X8664_NUMA_H 
#define _ASM_X8664_NUMA_H 1

#include <linux/nodemask.h>
#include <asm/apicdef.h>

struct bootnode {
	u64 start,end; 
};

extern int compute_hash_shift(struct bootnode *nodes, int numnodes);

#define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))

extern void numa_add_cpu(int cpu);
extern void numa_init_array(void);
extern int numa_off;

extern void numa_set_node(int cpu, int node);
extern void srat_reserve_add_area(int nodeid);
extern int hotadd_percent;

extern u16 apicid_to_node[MAX_LOCAL_APIC];

extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
extern unsigned long numa_free_all_bootmem(void);
extern void setup_node_bootmem(int nodeid, unsigned long start,
			       unsigned long end);

#ifdef CONFIG_NUMA
extern void __init init_cpu_to_node(void);

static inline void clear_node_cpumask(int cpu)
{
	clear_bit(cpu, (unsigned long *)&node_to_cpumask_map[cpu_to_node(cpu)]);
}

#else
#define init_cpu_to_node() do {} while (0)
#define clear_node_cpumask(cpu) do {} while (0)
#endif

#define NUMA_NO_NODE 0xffff

#endif