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-rw-r--r--arch/ia64/mm/discontig.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 0f776b032d31..c87d6d1d5813 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