[src/trunk]: src/sys/arch/sun3/include Also reduce UBC_NWINS from default 102...

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

details:   https://anonhg.NetBSD.org/src/rev/850302c34d64
branches:  trunk
changeset: 780947:850302c34d64
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sun Aug 12 20:00:06 2012 +0000

description:
Also reduce UBC_NWINS from default 1024 to 512
to avoid possible KVA shortage, otherwise
"panic: ubc_init: failed to map ubc_object"
could still happen on netbsd-6 branch.

Should be pulled up to netbsd-6.

diffstat:

 sys/arch/sun3/include/param3.h |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (16 lines):

diff -r eb08f071aa3c -r 850302c34d64 sys/arch/sun3/include/param3.h
--- a/sys/arch/sun3/include/param3.h    Sun Aug 12 18:39:32 2012 +0000
+++ b/sys/arch/sun3/include/param3.h    Sun Aug 12 20:00:06 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: param3.h,v 1.55 2012/08/11 14:35:33 tsutsui Exp $      */
+/*     $NetBSD: param3.h,v 1.56 2012/08/12 20:00:06 tsutsui Exp $      */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -51,3 +51,6 @@
  */
 #define        NKMEMPAGES_MIN_DEFAULT  ((8 * 1024 * 1024) >> PAGE_SHIFT)
 #define        NKMEMPAGES_MAX_DEFAULT  ((16 * 1024 * 1024) >> PAGE_SHIFT)
+
+/* Use smaller UBC_NWINS to avoid KVA space shortage. */
+#define        UBC_NWINS       512