1 files changed, 17 insertions, 10 deletions

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 2664cb3fc96c..1a9c0c6a1a18 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -191,7 +191,10 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 {
         struct pci_bus *bus;
         struct pci_sysdata *sd;
+        int node;
+#ifdef CONFIG_ACPI_NUMA
         int pxm;
+#endif
 
         dmi_check_system(acpi_pciprobe_dmi_table);
 
@@ -201,6 +204,17 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
                 return NULL;
         }
 
+        node = -1;
+#ifdef CONFIG_ACPI_NUMA
+        pxm = acpi_get_pxm(device->handle);
+        if (pxm >= 0)
+                node = pxm_to_node(pxm);
+        if (node != -1)
+                set_mp_bus_to_node(busnum, node);
+        else
+                node = get_mp_bus_to_node(busnum);
+#endif
+
         /* Allocate per-root-bus (not per bus) arch-specific data.
          * TODO: leak; this memory is never freed.
          * It's arguable whether it's worth the trouble to care.
@@ -212,13 +226,7 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
         }
 
         sd->domain = domain;
-        sd->node = -1;
-
-        pxm = acpi_get_pxm(device->handle);
-#ifdef CONFIG_ACPI_NUMA
-        if (pxm >= 0)
-                sd->node = pxm_to_node(pxm);
-#endif
+        sd->node = node;
         /*
          * Maybe the desired pci bus has been already scanned. In such case
          * it is unnecessary to scan the pci bus with the given domain,busnum.
@@ -238,9 +246,9 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
                 kfree(sd);
 
 #ifdef CONFIG_ACPI_NUMA
-        if (bus != NULL) {
+        if (bus) {
                 if (pxm >= 0) {
-                        printk("bus %d -> pxm %d -> node %d\n",
+                        printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
                                 busnum, pxm, pxm_to_node(pxm));
                 }
         }
@@ -248,7 +256,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 
         if (bus && (pci_probe & PCI_USE__CRS))
                 get_current_resources(device, busnum, domain, bus);
-        
         return bus;
 }