x86: fix dma_alloc_pages

memory-less node support:

this patch uses updated dev_to_node, because dev_to_node already makes sure
it returns an online node.

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 5 deletions

diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index a82473d192a3..375cb2bc45be 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -53,11 +53,6 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
         int node;
 
         node = dev_to_node(dev);
-        if (node == -1)
-                node = numa_node_id();
-
-        if (node < first_node(node_online_map))
-                node = first_node(node_online_map);
 
         page = alloc_pages_node(node, gfp, order);
         return page ? page_address(page) : NULL;