From 2c0bc39683525526afb9072c9a58fa556c6bdaaa Mon Sep 17 00:00:00 2001 From: David Greenman Date: Tue, 21 Feb 1995 12:06:06 +0000 Subject: [PATCH] Panic if u_map allocation fails. --- sys/vm/vm_glue.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/vm/vm_glue.c b/sys/vm/vm_glue.c index dc6f4e899b0d..77dc0391ad19 100644 --- a/sys/vm/vm_glue.c +++ b/sys/vm/vm_glue.c @@ -59,7 +59,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_glue.c,v 1.15 1995/02/14 06:11:21 phk Exp $ + * $Id: vm_glue.c,v 1.16 1995/02/20 17:26:21 davidg Exp $ */ #include @@ -225,6 +225,8 @@ vm_fork(p1, p2, isvfork) /* get a kernel virtual address for the UPAGES for this proc */ up = (struct user *) kmem_alloc_pageable(u_map, UPAGES * NBPG); + if (up == NULL) + panic("vm_fork: u_map allocation failed"); /* and force-map the upages into the kernel pmap */ for (i = 0; i < UPAGES; i++)