diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 2153bcacbe6c9d29818608521293d08842594859..94e57109fad658d060542aea2ed9f51bd1d230db 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -63,7 +63,7 @@ use_swiotlb (struct device *dev)
 	return dev && dev->dma_mask && !hwiommu_dma_supported(dev, *dev->dma_mask);
 }
 
-void
+void __init
 hwsw_init (void)
 {
 	/* default to a smallish 2MB sw I/O TLB */
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index 9620822270a6e122d00c48cc5bb2acb89b313e10..13df337508e7fe5f6b626ff66735026469acb1b3 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -35,7 +35,7 @@ lookup_machvec (const char *name)
 	return 0;
 }
 
-void
+void __init
 machvec_init (const char *name)
 {
 	struct ia64_machine_vector *mv;