2 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-ia64/pci.h b/include/asm-ia64/pci.h
index 0c4c5d801d3f..8b7237cc84c1 100644
--- a/include/asm-ia64/pci.h
+++ b/include/asm-ia64/pci.h
@@ -128,6 +128,7 @@ struct pci_controller {
         void *acpi_handle;
         void *iommu;
         int segment;
+        int node;               /* nearest node with memory or -1 for global allocation */
 
         unsigned int windows;
         struct pci_window *window;
diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index 4e64c2a6b369..399bc29729fd 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -40,6 +40,11 @@
  */
 #define node_to_first_cpu(node) (__ffs(node_to_cpumask(node)))
 
+/*
+ * Determines the node for a given pci bus
+ */
+#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
+
 void build_cpu_to_node_map(void);
 
 #define SD_CPU_INIT (struct sched_domain) {             \