mirror of https://gitee.com/openkylin/linux.git
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
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* Copyright (C) 2002, Erich Focht, NEC
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef _ASM_IA64_TOPOLOGY_H
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#define _ASM_IA64_TOPOLOGY_H
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#include <asm/acpi.h>
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#include <asm/numa.h>
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#include <asm/smp.h>
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#ifdef CONFIG_NUMA
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/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
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#define PENALTY_FOR_NODE_WITH_CPUS 255
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/*
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* Nodes within this distance are eligible for reclaim by zone_reclaim() when
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* zone_reclaim_mode is enabled.
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*/
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#define RECLAIM_DISTANCE 15
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/*
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* Returns a bitmask of CPUs on Node 'node'.
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*/
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#define cpumask_of_node(node) ((node) == -1 ? \
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cpu_all_mask : \
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&node_to_cpu_mask[node])
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/*
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* Determines the node for a given pci bus
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*/
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#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
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void build_cpu_to_node_map(void);
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#endif /* CONFIG_NUMA */
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#ifdef CONFIG_SMP
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#define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id)
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#define topology_core_id(cpu) (cpu_data(cpu)->core_id)
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#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
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#define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
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#endif
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extern void arch_fix_phys_package_id(int num, u32 slot);
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#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
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cpu_all_mask : \
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cpumask_of_node(pcibus_to_node(bus)))
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#include <asm-generic/topology.h>
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#endif /* _ASM_IA64_TOPOLOGY_H */
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