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-rw-r--r--arch/x86/pci/bus_numa.c10
1 files changed, 10 insertions, 0 deletions
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);