1 files changed, 3 insertions, 1 deletions

diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 0f776b032d3..c87d6d1d581 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -50,8 +50,10 @@ static nodemask_t memory_less_mask __initdata;
  * To prevent cache aliasing effects, align per-node structures so that they
  * start at addresses that are strided by node number.
  */
+#define MAX_NODE_ALIGN_OFFSET   (32 * 1024 * 1024)
 #define NODEDATA_ALIGN(addr, node)                                              \
-        ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + (node)*PERCPU_PAGE_SIZE)
+        ((((addr) + 1024*1024-1) & ~(1024*1024-1)) +                            \
+             (((node)*PERCPU_PAGE_SIZE) & (MAX_NODE_ALIGN_OFFSET - 1)))
 
 /**
  * build_node_maps - callback to setup bootmem structs for each node