From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/powerpc/include/asm/mmzone.h | 46 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/powerpc/include/asm/mmzone.h (limited to 'arch/powerpc/include/asm/mmzone.h') diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h new file mode 100644 index 00000000..7b589178 --- /dev/null +++ b/arch/powerpc/include/asm/mmzone.h @@ -0,0 +1,46 @@ +/* + * 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 + +/* + * 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 */ + +#endif /* __KERNEL__ */ +#endif /* _ASM_MMZONE_H_ */ -- cgit v1.2.3