linux/include/asm-x86_64/numa.h

40 lines
841 B
C

#ifndef _ASM_X8664_NUMA_H
#define _ASM_X8664_NUMA_H 1
#include <linux/nodemask.h>
struct bootnode {
u64 start,end;
};
extern int compute_hash_shift(struct bootnode *nodes, int numnodes);
extern int pxm_to_node(int nid);
#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 unsigned char apicid_to_node[256];
#ifdef CONFIG_NUMA
extern void __init init_cpu_to_node(void);
static inline void clear_node_cpumask(int cpu)
{
clear_bit(cpu, &node_to_cpumask[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 0xff
#endif