diff options
Diffstat (limited to 'include/asm-x86/numa_64.h')
-rw-r--r-- | include/asm-x86/numa_64.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h new file mode 100644 index 000000000000..933ff11ece15 --- /dev/null +++ b/include/asm-x86/numa_64.h @@ -0,0 +1,38 @@ +#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); + +#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 |