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Panic if u_map allocation fails.

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This commit is contained in:
David Greenman 1995-02-21 12:06:06 +00:00
parent 8a695f765c
commit 2c0bc39683
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=6601
1 changed files with 3 additions and 1 deletions
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4
sys/vm/vm_glue.c
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@ -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 <sys/param.h>
@ -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++)