| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * NUMA support for s390 |
| 4 | * |
| 5 | * Declare the NUMA core code structures and functions. |
| 6 | * |
| 7 | * Copyright IBM Corp. 2015 |
| 8 | */ |
| 9 | |
| 10 | #ifndef _ASM_S390_NUMA_H |
| 11 | #define _ASM_S390_NUMA_H |
| 12 | |
| 13 | #ifdef CONFIG_NUMA |
| 14 | |
| 15 | #include <linux/numa.h> |
| 16 | #include <linux/cpumask.h> |
| 17 | |
| 18 | void numa_setup(void); |
| 19 | int numa_pfn_to_nid(unsigned long pfn); |
| 20 | int __node_distance(int a, int b); |
| 21 | void numa_update_cpu_topology(void); |
| 22 | |
| 23 | extern cpumask_t node_to_cpumask_map[MAX_NUMNODES]; |
| 24 | extern int numa_debug_enabled; |
| 25 | |
| 26 | #else |
| 27 | |
| 28 | static inline void numa_setup(void) { } |
| 29 | static inline void numa_update_cpu_topology(void) { } |
| 30 | static inline int numa_pfn_to_nid(unsigned long pfn) |
| 31 | { |
| 32 | return 0; |
| 33 | } |
| 34 | |
| 35 | #endif /* CONFIG_NUMA */ |
| 36 | #endif /* _ASM_S390_NUMA_H */ |