[src/trunk]: src/sys/kern Add a DIAGNOSTIC check to detect un-initialized pools.

[atatat <atatat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/804008e5a52f
branches:  trunk
changeset: 566761:804008e5a52f
user:      atatat <atatat%NetBSD.org@localhost>
date:      Thu May 20 05:08:29 2004 +0000

description:
Add a DIAGNOSTIC check to detect un-initialized pools.

diffstat:

 sys/kern/subr_pool.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 83129b718e4e -r 804008e5a52f sys/kern/subr_pool.c
--- a/sys/kern/subr_pool.c      Thu May 20 03:26:26 2004 +0000
+++ b/sys/kern/subr_pool.c      Thu May 20 05:08:29 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_pool.c,v 1.94 2004/04/25 16:42:41 simonb Exp $    */
+/*     $NetBSD: subr_pool.c,v 1.95 2004/05/20 05:08:29 atatat Exp $    */
 
 /*-
  * Copyright (c) 1997, 1999, 2000 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.94 2004/04/25 16:42:41 simonb Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.95 2004/05/20 05:08:29 atatat Exp $");
 
 #include "opt_pool.h"
 #include "opt_poollog.h"
@@ -670,6 +670,9 @@
        void *v;
 
 #ifdef DIAGNOSTIC
+       if (__predict_false(pp->pr_itemsperpage == 0))
+               panic("pool_get: pool %p: pr_itemsperpage is zero, "
+                   "pool not initialized?", pp);
        if (__predict_false(curlwp == NULL && doing_shutdown == 0 &&
                            (flags & PR_WAITOK) != 0))
                panic("pool_get: %s: must have NOWAIT", pp->pr_wchan);