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- /*
- * 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 */
- #endif /* __KERNEL__ */
- #endif /* _ASM_MMZONE_H_ */
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