Index: head/sys/compat/linuxkpi/common/src/linux_page.c
===================================================================
--- head/sys/compat/linuxkpi/common/src/linux_page.c
+++ head/sys/compat/linuxkpi/common/src/linux_page.c
@@ -69,7 +69,8 @@
 
 	if (page->object != kmem_object && page->object != kernel_object) {
 		return (PMAP_HAS_DMAP ?
-		    ((void *)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(page))) : NULL);
+		    ((void *)(uintptr_t)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(page))) :
+		    NULL);
 	}
 	return ((void *)(uintptr_t)(VM_MIN_KERNEL_ADDRESS +
 	    IDX_TO_OFF(page->pindex)));