[SPARC64]: NUMA device infrastructure.

Record and propagate NUMA information for devices.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 3 deletions

diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 01839706bd5..e2bb9790039 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -127,10 +127,12 @@ static inline long iommu_batch_end(void)
 static void *dma_4v_alloc_coherent(struct device *dev, size_t size,
                                    dma_addr_t *dma_addrp, gfp_t gfp)
 {
-        struct iommu *iommu;
         unsigned long flags, order, first_page, npages, n;
+        struct iommu *iommu;
+        struct page *page;
         void *ret;
         long entry;
+        int nid;
 
         size = IO_PAGE_ALIGN(size);
         order = get_order(size);
@@ -139,10 +141,12 @@ static void *dma_4v_alloc_coherent(struct device *dev, size_t size,
 
         npages = size >> IO_PAGE_SHIFT;
 
-        first_page = __get_free_pages(gfp, order);
-        if (unlikely(first_page == 0UL))
+        nid = dev->archdata.numa_node;
+        page = alloc_pages_node(nid, gfp, order);
+        if (unlikely(!page))
                 return NULL;
 
+        first_page = (unsigned long) page_address(page);
         memset((char *)first_page, 0, PAGE_SIZE << order);
 
         iommu = dev->archdata.iommu;
@@ -899,6 +903,8 @@ static void __init pci_sun4v_pbm_init(struct pci_controller_info *p,
         pbm->next = pci_pbm_root;
         pci_pbm_root = pbm;
 
+        pbm->numa_node = of_node_to_nid(dp);
+
         pbm->scan_bus = pci_sun4v_scan_bus;
         pbm->pci_ops = &sun4v_pci_ops;
         pbm->config_space_reg_bits = 12;
@@ -913,6 +919,7 @@ static void __init pci_sun4v_pbm_init(struct pci_controller_info *p,
         pbm->name = dp->full_name;
 
         printk("%s: SUN4V PCI Bus Module\n", pbm->name);
+        printk("%s: On NUMA node %d\n", pbm->name, pbm->numa_node);
 
         pci_determine_mem_io_space(pbm);