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