1 files changed, 1 insertions, 1 deletions

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 4f36987eea72..2da841110727 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -121,7 +121,7 @@ lazy_mmu_prot_update (pte_t pte)
                 return;                         /* i-cache is already coherent with d-cache */
 
         if (PageCompound(page)) {
-                order = (unsigned long) (page[1].lru.prev);
+                order = compound_order(page);
                 flush_icache_range(addr, addr + (1UL << order << PAGE_SHIFT));
         }
         else