--- src/sys/kern/uipc_syscalls.c	2008/04/14 12:01:50	1.85
+++ src/sys/kern/uipc_syscalls.c	2008/07/01 02:02:54	1.86
@@ -1580,7 +1580,7 @@ retry_lookup:
 		if (pg == NULL) {
 			pg = vm_page_alloc(obj, pindex, VM_ALLOC_NORMAL);
 			if (pg == NULL) {
-				vm_wait();
+				vm_wait(0);
 				crit_exit();
 				goto retry_lookup;
 			}