1. 根目录:
2. arch
3. sparc
4. include
5. asm
6. mmzone.h

#ifndef _SPARC64_MMZONE_H
#define _SPARC64_MMZONE_H

#ifdef CONFIG_NEED_MULTIPLE_NODES

#include <linux/cpumask.h>

extern struct pglist_data *node_data[];

#define NODE_DATA(nid)		(node_data[nid])

extern int numa_cpu_lookup_table[];
extern cpumask_t numa_cpumask_lookup_table[];

#endif /* CONFIG_NEED_MULTIPLE_NODES */

#endif /* _SPARC64_MMZONE_H */