| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * NUMA support for s390 |
| * |
| * Declare the NUMA core code structures and functions. |
| * |
| * Copyright IBM Corp. 2015 |
| */ |
| |
| #ifndef _ASM_S390_NUMA_H |
| #define _ASM_S390_NUMA_H |
| |
| #ifdef CONFIG_NUMA |
| |
| #include <linux/numa.h> |
| #include <linux/cpumask.h> |
| |
| void numa_setup(void); |
| int numa_pfn_to_nid(unsigned long pfn); |
| int __node_distance(int a, int b); |
| void numa_update_cpu_topology(void); |
| |
| extern cpumask_t node_to_cpumask_map[MAX_NUMNODES]; |
| extern int numa_debug_enabled; |
| |
| #else |
| |
| static inline void numa_setup(void) { } |
| static inline void numa_update_cpu_topology(void) { } |
| static inline int numa_pfn_to_nid(unsigned long pfn) |
| { |
| return 0; |
| } |
| |
| #endif /* CONFIG_NUMA */ |
| #endif /* _ASM_S390_NUMA_H */ |
