Guarantee that the uncached allocator gets pages on the correct node.

The uncached allocator manages per node pools. Specify __GFP_THISNODE
in order to force allocation on the indicated node or fail. The
uncached allocator has already logic to deal with failing allocationis.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6.18-rc1/arch/ia64/kernel/uncached.c
===================================================================
--- linux-2.6.18-rc1.orig/arch/ia64/kernel/uncached.c	2006-07-05 21:09:49.000000000 -0700
+++ linux-2.6.18-rc1/arch/ia64/kernel/uncached.c	2006-07-12 15:37:10.490552645 -0700
@@ -81,7 +81,8 @@ static int uncached_add_chunk(struct gen
 
 	/* attempt to allocate a granule's worth of cached memory pages */
 
-	page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO,
+	page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO |
+				 __GFP_THISNODE | __GFP_NORETRY | __GFP_NOWARN,
 				IA64_GRANULE_SHIFT-PAGE_SHIFT);
 	if (!page)
 		return -1;