diff --git a/mm/memory.c b/mm/memory.c
index 1a83fe5..89339c6 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2966,7 +2966,7 @@
 {
 	resource_size_t phys_addr;
 	unsigned long prot = 0;
-	void *maddr;
+	void __iomem *maddr;
 	int offset = addr & (PAGE_SIZE-1);
 
 	if (follow_phys(vma, addr, write, &prot, &phys_addr))