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1: /* 2: * linux/include/asm-generic/topology.h 3: * 4: * Written by: Matthew Dobson, IBM Corporation 5: * 6: * Copyright (C) 2002, IBM Corp. 7: * 8: * All rights reserved. 9: * 10: * This program is free software; you can redistribute it and/or modify 11: * it under the terms of the GNU General Public License as published by 12: * the Free Software Foundation; either version 2 of the License, or 13: * (at your option) any later version. 14: * 15: * This program is distributed in the hope that it will be useful, but 16: * WITHOUT ANY WARRANTY; without even the implied warranty of 17: * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 18: * NON INFRINGEMENT. See the GNU General Public License for more 19: * details. 20: * 21: * You should have received a copy of the GNU General Public License 22: * along with this program; if not, write to the Free Software 23: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24: * 25: * Send feedback to <colpatch@us.ibm.com> 26: */ 27: #ifndef _ASM_GENERIC_TOPOLOGY_H 28: #define _ASM_GENERIC_TOPOLOGY_H 29: 30: #ifndef CONFIG_NUMA 31: 32: /* Other architectures wishing to use this simple topology API should fill 33: in the below functions as appropriate in their own <asm/topology.h> file. */ 34: #ifndef cpu_to_node 35: #define cpu_to_node(cpu) ((void)(cpu),0) 36: #endif 37: #ifndef set_numa_node 38: #define set_numa_node(node) 39: #endif 40: #ifndef set_cpu_numa_node 41: #define set_cpu_numa_node(cpu, node) 42: #endif 43: #ifndef cpu_to_mem 44: #define cpu_to_mem(cpu) ((void)(cpu),0) 45: #endif 46: 47: #ifndef parent_node 48: #define parent_node(node) ((void)(node),0) 49: #endif 50: #ifndef cpumask_of_node 51: #define cpumask_of_node(node) ((void)node, cpu_online_mask) 52: #endif 53: #ifndef pcibus_to_node 54: #define pcibus_to_node(bus) ((void)(bus), -1) 55: #endif 56: 57: #ifndef cpumask_of_pcibus 58: #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ 59: cpu_all_mask : \ 60: cpumask_of_node(pcibus_to_node(bus))) 61: #endif 62: 63: #endif /* CONFIG_NUMA */ 64: 65: #if !defined(CONFIG_NUMA) || !defined(CONFIG_HAVE_MEMORYLESS_NODES) 66: 67: #ifndef set_numa_mem 68: #define set_numa_mem(node) 69: #endif 70: #ifndef set_cpu_numa_mem 71: #define set_cpu_numa_mem(cpu, node) 72: #endif 73: 74: #endif /* !CONFIG_NUMA || !CONFIG_HAVE_MEMORYLESS_NODES */ 75: 76: #endif /* _ASM_GENERIC_TOPOLOGY_H */ 77: