[PATCH] x86-64: fix for mem= on NUMA systems

Fix bug that caused oops with mem= on certain NUMA configurations
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/mm/k8topology.c

@@ -100,8 +100,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
 		limit <<= 24; 
 		limit |= (1<<24)-1;
 
-		if (limit > end_pfn_map << PAGE_SHIFT) 
-			limit = end_pfn_map << PAGE_SHIFT; 
+		if (limit > end_pfn << PAGE_SHIFT)
+			limit = end_pfn << PAGE_SHIFT;
 		if (limit <= base)
 			continue;