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Diffstat (limited to 'arch/powerpc/include/asm/mmzone.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmzone.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h new file mode 100644 index 0000000000..4c6c6dbd18 --- /dev/null +++ b/arch/powerpc/include/asm/mmzone.h @@ -0,0 +1,55 @@ +/* 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 */ +#ifdef CONFIG_FA_DUMP +#define __HAVE_ARCH_RESERVED_KERNEL_PAGES +#endif + +#ifdef CONFIG_MEMORY_HOTPLUG +extern int create_section_mapping(unsigned long start, unsigned long end, + int nid, pgprot_t prot); +#endif + +#endif /* __KERNEL__ */ +#endif /* _ASM_MMZONE_H_ */ |