| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99 | |
| * | |
| * PowerPC64 port: | |
| * Copyright (C) 2002 Anton Blanchard, IBM Corp. | |
| */ | |
| #ifndef _ASM_MMZONE_H_ | |
| #define _ASM_MMZONE_H_ | |
| #ifdef __KERNEL__ | |
| #include <linux/cpumask.h> | |
| /* | |
| * generic non-linear memory support: | |
| * | |
| * 1) we will not split memory into more chunks than will fit into the | |
| * flags field of the struct page | |
| */ | |
| #ifdef CONFIG_NEED_MULTIPLE_NODES | |
| extern struct pglist_data *node_data[]; | |
| /* | |
| * Return a pointer to the node data for node n. | |
| */ | |
| #define NODE_DATA(nid) (node_data[nid]) | |
| /* | |
| * Following are specific to this numa platform. | |
| */ | |
| extern int numa_cpu_lookup_table[]; | |
| extern cpumask_var_t node_to_cpumask_map[]; | |
| #ifdef CONFIG_MEMORY_HOTPLUG | |
| extern unsigned long max_pfn; | |
| u64 memory_hotplug_max(void); | |
| #else | |
| #define memory_hotplug_max() memblock_end_of_DRAM() | |
| #endif | |
| #else | |
| #define memory_hotplug_max() memblock_end_of_DRAM() | |
| #endif /* CONFIG_NEED_MULTIPLE_NODES */ | |
| #ifdef CONFIG_FA_DUMP | |
| #define __HAVE_ARCH_RESERVED_KERNEL_PAGES | |
| #endif | |
| #endif /* __KERNEL__ */ | |
| #endif /* _ASM_MMZONE_H_ */ |