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/* 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_NUMA 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_NUMA */ #endif /* __KERNEL__ */ #endif /* _ASM_MMZONE_H_ */