eeepc-laptop: Register as a pci-hotplug device
[linux-2.6/linux-acpi-2.6.git] / arch / powerpc / include / asm / mmzone.h
blob35acac90c8ca6b3b32500c07cfc2b9586020cf39
1 /*
2 * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
4 * PowerPC64 port:
5 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
6 */
7 #ifndef _ASM_MMZONE_H_
8 #define _ASM_MMZONE_H_
9 #ifdef __KERNEL__
11 #include <linux/cpumask.h>
14 * generic non-linear memory support:
16 * 1) we will not split memory into more chunks than will fit into the
17 * flags field of the struct page
20 #ifdef CONFIG_NEED_MULTIPLE_NODES
22 extern struct pglist_data *node_data[];
24 * Return a pointer to the node data for node n.
26 #define NODE_DATA(nid) (node_data[nid])
29 * Following are specific to this numa platform.
32 extern int numa_cpu_lookup_table[];
33 extern cpumask_t numa_cpumask_lookup_table[];
34 #ifdef CONFIG_MEMORY_HOTPLUG
35 extern unsigned long max_pfn;
36 #endif
39 * Following are macros that each numa implmentation must define.
42 #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
43 #define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn)
45 #endif /* CONFIG_NEED_MULTIPLE_NODES */
47 #endif /* __KERNEL__ */
48 #endif /* _ASM_MMZONE_H_ */