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56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* linux/include/asm-generic/topology.h
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*
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* Written by: Matthew Dobson, IBM Corporation
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*
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* Copyright (C) 2002, IBM Corp.
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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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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Send feedback to <colpatch@us.ibm.com>
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*/
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#ifndef _ASM_GENERIC_TOPOLOGY_H
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#define _ASM_GENERIC_TOPOLOGY_H
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#ifndef CONFIG_NUMA
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/* Other architectures wishing to use this simple topology API should fill
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in the below functions as appropriate in their own <asm/topology.h> file. */
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#ifndef cpu_to_node
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#define cpu_to_node(cpu) ((void)(cpu),0)
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#endif
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#ifndef parent_node
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#define parent_node(node) ((void)(node),0)
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#endif
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#ifndef cpumask_of_node
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#define cpumask_of_node(node) ((void)node, cpu_online_mask)
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#endif
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#ifndef pcibus_to_node
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#define pcibus_to_node(bus) ((void)(bus), -1)
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#endif
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#ifndef cpumask_of_pcibus
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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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#endif
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#endif /* CONFIG_NUMA */
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#endif /* _ASM_GENERIC_TOPOLOGY_H */
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