projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99 | |
| 4 | * | |
| 5 | * PowerPC64 port: | |
| 6 | * Copyright (C) 2002 Anton Blanchard, IBM Corp. | |
| 7 | */ | |
| 8 | #ifndef _ASM_MMZONE_H_ | |
| 9 | #define _ASM_MMZONE_H_ | |
| 88ced031 | 10 | #ifdef __KERNEL__ |
| 1da177e4 | 11 | |
| 17ad6ea6 | 12 | #include <linux/cpumask.h> |
| 1da177e4 | 13 | |
| 45fb6cea AB |
14 | /* |
| 15 | * generic non-linear memory support: | |
| 145e6642 AW |
16 | * |
| 17 | * 1) we will not split memory into more chunks than will fit into the | |
| 18 | * flags field of the struct page | |
| 19 | */ | |
| 20 | ||
| a9ee6cf5 | 21 | #ifdef CONFIG_NUMA |
| 1da177e4 LT |
22 | |
| 23 | extern struct pglist_data *node_data[]; | |
| 145e6642 AW |
24 | /* |
| 25 | * Return a pointer to the node data for node n. | |
| 26 | */ | |
| 27 | #define NODE_DATA(nid) (node_data[nid]) | |
| 1da177e4 LT |
28 | |
| 29 | /* | |
| 30 | * Following are specific to this numa platform. | |
| 31 | */ | |
| 32 | ||
| 33 | extern int numa_cpu_lookup_table[]; | |
| 25863de0 | 34 | extern cpumask_var_t node_to_cpumask_map[]; |
| 82dd26a9 MK |
35 | #ifdef CONFIG_MEMORY_HOTPLUG |
| 36 | extern unsigned long max_pfn; | |
| cd34206e NA |
37 | u64 memory_hotplug_max(void); |
| 38 | #else | |
| 39 | #define memory_hotplug_max() memblock_end_of_DRAM() | |
| 82dd26a9 | 40 | #endif |
| 1da177e4 | 41 | |
| cd34206e NA |
42 | #else |
| 43 | #define memory_hotplug_max() memblock_end_of_DRAM() | |
| a9ee6cf5 | 44 | #endif /* CONFIG_NUMA */ |
| 145e6642 | 45 | |
| 88ced031 | 46 | #endif /* __KERNEL__ */ |
| 1da177e4 | 47 | #endif /* _ASM_MMZONE_H_ */ |