1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
 4 *
 5 * PowerPC64 port:
 6 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
 7 */
 8#ifndef _ASM_MMZONE_H_
 9#define _ASM_MMZONE_H_
10#ifdef __KERNEL__
11
12#include <linux/cpumask.h>
13
14/*
15 * generic non-linear memory support:
16 *
17 * 1) we will not split memory into more chunks than will fit into the
18 *    flags field of the struct page
19 */
20
21#ifdef CONFIG_NUMA
22
23extern struct pglist_data *node_data[];
24/*
25 * Return a pointer to the node data for node n.
26 */
27#define NODE_DATA(nid)		(node_data[nid])
28
29/*
30 * Following are specific to this numa platform.
31 */
32
33extern int numa_cpu_lookup_table[];
34extern cpumask_var_t node_to_cpumask_map[];
35#ifdef CONFIG_MEMORY_HOTPLUG
36extern unsigned long max_pfn;
37u64 memory_hotplug_max(void);
38#else
39#define memory_hotplug_max() memblock_end_of_DRAM()
40#endif
41
42#else
43#define memory_hotplug_max() memblock_end_of_DRAM()
44#endif /* CONFIG_NUMA */
 
 
 
45
46#endif /* __KERNEL__ */
47#endif /* _ASM_MMZONE_H_ */

 
 1/*
 2 * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
 3 *
 4 * PowerPC64 port:
 5 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
 6 */
 7#ifndef _ASM_MMZONE_H_
 8#define _ASM_MMZONE_H_
 9#ifdef __KERNEL__
10
11#include <linux/cpumask.h>
12
13/*
14 * generic non-linear memory support:
15 *
16 * 1) we will not split memory into more chunks than will fit into the
17 *    flags field of the struct page
18 */
19
20#ifdef CONFIG_NEED_MULTIPLE_NODES
21
22extern struct pglist_data *node_data[];
23/*
24 * Return a pointer to the node data for node n.
25 */
26#define NODE_DATA(nid)		(node_data[nid])
27
28/*
29 * Following are specific to this numa platform.
30 */
31
32extern int numa_cpu_lookup_table[];
33extern cpumask_var_t node_to_cpumask_map[];
34#ifdef CONFIG_MEMORY_HOTPLUG
35extern unsigned long max_pfn;
36u64 memory_hotplug_max(void);
37#else
38#define memory_hotplug_max() memblock_end_of_DRAM()
39#endif
40
41#else
42#define memory_hotplug_max() memblock_end_of_DRAM()
43#endif /* CONFIG_NEED_MULTIPLE_NODES */
44#ifdef CONFIG_FA_DUMP
45#define __HAVE_ARCH_RESERVED_KERNEL_PAGES
46#endif
47
48#endif /* __KERNEL__ */
49#endif /* _ASM_MMZONE_H_ */