mmzone.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) 2010 Loongson Inc. & Lemote Inc. &
 4 *                    Institute of Computing Technology
 5 * Author:  Xiang Gao, gaoxiang@ict.ac.cn
 6 *          Huacai Chen, chenhc@lemote.com
 7 *          Xiaofu Meng, Shuangshuang Zhang
 8 */
 9#ifndef _ASM_MACH_LOONGSON64_MMZONE_H
10#define _ASM_MACH_LOONGSON64_MMZONE_H
11
12#define NODE_ADDRSPACE_SHIFT 44
13
14#define pa_to_nid(addr)  (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT)
15#define nid_to_addrbase(nid) ((unsigned long)(nid) << NODE_ADDRSPACE_SHIFT)
16
17extern void __init prom_init_numa_memory(void);
18
19#endif /* _ASM_MACH_MMZONE_H */