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/* * linux/include/asm-generic/topology.h * * Written by: Matthew Dobson, IBM Corporation * * Copyright (C) 2002, IBM Corp. * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Send feedback to <colpatch@us.ibm.com> */ #ifndef _ASM_GENERIC_TOPOLOGY_H #define _ASM_GENERIC_TOPOLOGY_H #ifndef CONFIG_NUMA /* Other architectures wishing to use this simple topology API should fill in the below functions as appropriate in their own <asm/topology.h> file. */ #ifndef cpu_to_node #define cpu_to_node(cpu) ((void)(cpu),0) #endif #ifndef set_numa_node #define set_numa_node(node) #endif #ifndef set_cpu_numa_node #define set_cpu_numa_node(cpu, node) #endif #ifndef cpu_to_mem #define cpu_to_mem(cpu) ((void)(cpu),0) #endif #ifndef cpumask_of_node #ifdef CONFIG_NUMA #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask) #else #define cpumask_of_node(node) ((void)(node), cpu_online_mask) #endif #endif #ifndef pcibus_to_node #define pcibus_to_node(bus) ((void)(bus), -1) #endif #ifndef cpumask_of_pcibus #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ cpu_all_mask : \ cpumask_of_node(pcibus_to_node(bus))) #endif #endif /* CONFIG_NUMA */ #if !defined(CONFIG_NUMA) || !defined(CONFIG_HAVE_MEMORYLESS_NODES) #ifndef set_numa_mem #define set_numa_mem(node) #endif #ifndef set_cpu_numa_mem #define set_cpu_numa_mem(cpu, node) #endif #endif /* !CONFIG_NUMA || !CONFIG_HAVE_MEMORYLESS_NODES */ #endif /* _ASM_GENERIC_TOPOLOGY_H */ |