4323838215
Change the size of node ids for X86_64 from u8 to s16 to accomodate more than 32k nodes and allow for NUMA_NO_NODE (-1) to be sign extended to int. Cc: David Rientjes <rientjes@google.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Mike Travis <travis@sgi.com> Reviewed-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
44 lines
1 KiB
C
44 lines
1 KiB
C
#ifndef _ASM_X8664_NUMA_H
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#define _ASM_X8664_NUMA_H 1
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#include <linux/nodemask.h>
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#include <asm/apicdef.h>
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struct bootnode {
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u64 start,end;
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};
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extern int compute_hash_shift(struct bootnode *nodes, int numnodes);
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#define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
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extern void numa_add_cpu(int cpu);
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extern void numa_init_array(void);
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extern int numa_off;
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extern void numa_set_node(int cpu, int node);
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extern void srat_reserve_add_area(int nodeid);
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extern int hotadd_percent;
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extern s16 apicid_to_node[MAX_LOCAL_APIC];
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extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
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extern unsigned long numa_free_all_bootmem(void);
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extern void setup_node_bootmem(int nodeid, unsigned long start,
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unsigned long end);
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#ifdef CONFIG_NUMA
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extern void __init init_cpu_to_node(void);
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static inline void clear_node_cpumask(int cpu)
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{
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clear_bit(cpu, (unsigned long *)&node_to_cpumask_map[cpu_to_node(cpu)]);
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}
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#else
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#define init_cpu_to_node() do {} while (0)
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#define clear_node_cpumask(cpu) do {} while (0)
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#endif
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#endif
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