diff --git a/sys/mips/mips/vm_machdep.c b/sys/mips/mips/vm_machdep.c
index 73fab5a6c54..b4059e65f7f 100644
--- a/sys/mips/mips/vm_machdep.c
+++ b/sys/mips/mips/vm_machdep.c
@@ -538,6 +538,9 @@ sf_buf_free(struct sf_buf *sf)
 void
 swi_vm(void *dummy)
 {
+
+	if (busdma_swi_pending)
+		busdma_swi();
 }
 
 int
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 1208ea07fb5..095c9976257 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -430,7 +430,7 @@ vm_page_startup(vm_offset_t vaddr)
 	 */
 	new_end = vm_reserv_startup(&vaddr, new_end, high_water);
 #endif
-#if defined(__amd64__) || defined(__mips__)
+#if defined(__amd64__)
 	/*
 	 * pmap_map on amd64 and mips can come out of the direct-map, not kvm
 	 * like i386, so the pages must be tracked for a crashdump to include