1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99 4 * Rewritten for Linux 2.6 by Christoph Hellwig (hch@lst.de) Jan 2004 5 */ 6#ifndef _ASM_MMZONE_H_ 7#define _ASM_MMZONE_H_ 8 9#include <asm/page.h> 10 11#ifdef CONFIG_NEED_MULTIPLE_NODES 12# include <mmzone.h> 13#endif 14 15#ifndef pa_to_nid 16#define pa_to_nid(addr) 0 17#endif 18 19#ifndef nid_to_addrbase 20#define nid_to_addrbase(nid) 0 21#endif 22 23#ifdef CONFIG_DISCONTIGMEM 24 25#define pfn_to_nid(pfn) pa_to_nid((pfn) << PAGE_SHIFT) 26 27#endif /* CONFIG_DISCONTIGMEM */ 28 29#endif /* _ASM_MMZONE_H_ */ 30