1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
12 #include <linux/cpumask.h>
15 * generic non-linear memory support:
17 * 1) we will not split memory into more chunks than will fit into the
18 * flags field of the struct page
23 extern struct pglist_data *node_data[];
25 * Return a pointer to the node data for node n.
27 #define NODE_DATA(nid) (node_data[nid])
30 * Following are specific to this numa platform.
33 extern int numa_cpu_lookup_table[];
34 extern cpumask_var_t node_to_cpumask_map[];
35 #ifdef CONFIG_MEMORY_HOTPLUG
36 extern unsigned long max_pfn;
37 u64 memory_hotplug_max(void);
39 #define memory_hotplug_max() memblock_end_of_DRAM()
43 #define memory_hotplug_max() memblock_end_of_DRAM()
44 #endif /* CONFIG_NUMA */
46 #define __HAVE_ARCH_RESERVED_KERNEL_PAGES
49 #ifdef CONFIG_MEMORY_HOTPLUG
50 extern int create_section_mapping(unsigned long start, unsigned long end,
51 int nid, pgprot_t prot);
54 #endif /* __KERNEL__ */
55 #endif /* _ASM_MMZONE_H_ */