diff options
| -rw-r--r-- | arch/x86/include/asm/topology.h | 1 | ||||
| -rw-r--r-- | arch/x86/pci/bus_numa.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index d35f24e231cd..09046a1a6c35 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -131,6 +131,7 @@ static inline void arch_fix_phys_package_id(int num, u32 slot) } struct pci_bus; +int x86_pci_root_bus_node(int bus); void x86_pci_root_bus_resources(int bus, struct list_head *resources); #ifdef CONFIG_SMP diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c index c2735feb2508..2e36a4469549 100644 --- a/arch/x86/pci/bus_numa.c +++ b/arch/x86/pci/bus_numa.c @@ -20,6 +20,16 @@ static struct pci_root_info *x86_find_pci_root_info(int bus) return NULL; } +int x86_pci_root_bus_node(int bus) +{ + struct pci_root_info *info = x86_find_pci_root_info(bus); + + if (!info) + return NUMA_NO_NODE; + + return info->node; +} + void x86_pci_root_bus_resources(int bus, struct list_head *resources) { struct pci_root_info *info = x86_find_pci_root_info(bus); |