[src/trunk]: src/sys/kern allow kmem_guard_depth to be set in the config file.

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

details:   https://anonhg.NetBSD.org/src/rev/31f312ce111a
branches:  trunk
changeset: 778772:31f312ce111a
user:      mrg <mrg%NetBSD.org@localhost>
date:      Fri Apr 13 06:27:02 2012 +0000

description:
allow kmem_guard_depth to be set in the config file.

diffstat:

 sys/kern/subr_kmem.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r af816bb30da8 -r 31f312ce111a sys/kern/subr_kmem.c
--- a/sys/kern/subr_kmem.c      Fri Apr 13 06:26:04 2012 +0000
+++ b/sys/kern/subr_kmem.c      Fri Apr 13 06:27:02 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_kmem.c,v 1.43 2012/04/01 17:02:46 para Exp $      */
+/*     $NetBSD: subr_kmem.c,v 1.44 2012/04/13 06:27:02 mrg Exp $       */
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_kmem.c,v 1.43 2012/04/01 17:02:46 para Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_kmem.c,v 1.44 2012/04/13 06:27:02 mrg Exp $");
 
 #include <sys/param.h>
 #include <sys/callback.h>
@@ -122,7 +122,10 @@
 static size_t kmem_cache_maxidx __read_mostly;
 
 #if defined(DEBUG)
-int kmem_guard_depth = 0;
+#ifndef KMEM_GUARD_DEPTH
+#define KMEM_GUARD_DEPTH 0
+#endif
+int kmem_guard_depth = KMEM_GUARD_DEPTH;
 size_t kmem_guard_size;
 static struct uvm_kmguard kmem_guard;
 static void *kmem_freecheck;