diff options
Diffstat (limited to 'arch/loongarch/include/asm/topology.h')
| -rw-r--r-- | arch/loongarch/include/asm/topology.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/topology.h b/arch/loongarch/include/asm/topology.h index da135841e5b1..66128dec0bf6 100644 --- a/arch/loongarch/include/asm/topology.h +++ b/arch/loongarch/include/asm/topology.h @@ -7,6 +7,27 @@ #include <linux/smp.h> +#ifdef CONFIG_NUMA + +extern cpumask_t cpus_on_node[]; + +#define cpumask_of_node(node) (&cpus_on_node[node]) + +struct pci_bus; +extern int pcibus_to_node(struct pci_bus *); + +#define cpumask_of_pcibus(bus) (cpu_online_mask) + +extern unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES]; + +void numa_set_distance(int from, int to, int distance); + +#define node_distance(from, to) (node_distances[(from)][(to)]) + +#else +#define pcibus_to_node(bus) 0 +#endif + #ifdef CONFIG_SMP #define topology_physical_package_id(cpu) (cpu_data[cpu].package) #define topology_core_id(cpu) (cpu_data[cpu].core) |