Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Author: Jianmin Lv <lvjianmin@loongson.cn>
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* Huacai Chen <chenhuacai@loongson.cn>
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*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef _ASM_LOONGARCH_NUMA_H
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#define _ASM_LOONGARCH_NUMA_H
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#include <linux/nodemask.h>
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#define NODE_ADDRSPACE_SHIFT 44
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#define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT)
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#define nid_to_addrbase(nid) (_ULCAST_(nid) << NODE_ADDRSPACE_SHIFT)
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#ifdef CONFIG_NUMA
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extern int numa_off;
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extern s16 __cpuid_to_node[CONFIG_NR_CPUS];
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extern nodemask_t numa_nodes_parsed __initdata;
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extern void __init early_numa_add_cpu(int cpuid, s16 node);
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extern void numa_add_cpu(unsigned int cpu);
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extern void numa_remove_cpu(unsigned int cpu);
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static inline void numa_clear_node(int cpu)
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{
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}
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static inline void set_cpuid_to_node(int cpuid, s16 node)
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{
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__cpuid_to_node[cpuid] = node;
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}
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extern int early_cpu_to_node(int cpu);
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#else
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static inline void early_numa_add_cpu(int cpuid, s16 node) { }
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static inline void numa_add_cpu(unsigned int cpu) { }
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static inline void numa_remove_cpu(unsigned int cpu) { }
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static inline void set_cpuid_to_node(int cpuid, s16 node) { }
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static inline int early_cpu_to_node(int cpu)
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{
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return 0;
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}
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#endif /* CONFIG_NUMA */
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#endif /* _ASM_LOONGARCH_NUMA_H */
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