| /* | |
| * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99 | |
| * | |
| * PowerPC64 port: | |
| * Copyright (C) 2002 Anton Blanchard, IBM Corp. | |
| */ | |
| #ifndef _ASM_MMZONE_H_ | |
| #define _ASM_MMZONE_H_ | |
| #ifdef __KERNEL__ | |
| /* | |
| * generic non-linear memory support: | |
| * | |
| * 1) we will not split memory into more chunks than will fit into the | |
| * flags field of the struct page | |
| */ | |
| #ifdef CONFIG_NEED_MULTIPLE_NODES | |
| extern struct pglist_data *node_data[]; | |
| /* | |
| * Return a pointer to the node data for node n. | |
| */ | |
| #define NODE_DATA(nid) (node_data[nid]) | |
| /* | |
| * Following are specific to this numa platform. | |
| */ | |
| extern int numa_cpu_lookup_table[]; | |
| extern cpumask_t numa_cpumask_lookup_table[]; | |
| #ifdef CONFIG_MEMORY_HOTPLUG | |
| extern unsigned long max_pfn; | |
| #endif | |
| /* | |
| * Following are macros that each numa implmentation must define. | |
| */ | |
| #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) | |
| #define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn) | |
| #endif /* CONFIG_NEED_MULTIPLE_NODES */ | |
| #ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID | |
| extern int __init early_pfn_to_nid(unsigned long pfn); | |
| #endif | |
| #endif /* __KERNEL__ */ | |
| #endif /* _ASM_MMZONE_H_ */ |