[PATCH 2/4] x86, numa: Do not adjust start/end for early_node_mem()

[Yinghai Lu <yinghai@kernel.org>]

We have top-down allocation already. So do not bothter to adjust
start/end to make sure get high addr on local hode.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
 arch/x86/mm/numa_64.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

Index: linux-2.6/arch/x86/mm/numa_64.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/numa_64.c
+++ linux-2.6/arch/x86/mm/numa_64.c
@@ -164,14 +164,9 @@ static void * __init early_node_mem(int
 	unsigned long mem;
 
 	/*
-	 * put it on high as possible
-	 * something will go with NODE_DATA
+	 * memblock find will follow top-down, so don't need to adjust
+	 *   start anymore
 	 */
-	if (start < (MAX_DMA_PFN<<PAGE_SHIFT))
-		start = MAX_DMA_PFN<<PAGE_SHIFT;
-	if (start < (MAX_DMA32_PFN<<PAGE_SHIFT) &&
-	    end > (MAX_DMA32_PFN<<PAGE_SHIFT))
-		start = MAX_DMA32_PFN<<PAGE_SHIFT;
 	mem = memblock_x86_find_in_range_node(nodeid, start, end, size, align);
 	if (mem != MEMBLOCK_ERROR)
 		return __va(mem);