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authorpeter <peter@FreeBSD.org>1997-04-07 09:27:21 +0000
committerpeter <peter@FreeBSD.org>1997-04-07 09:27:21 +0000
commit421f37c593233e3fe7a4b3adde63481a3c615cb0 (patch)
treebcf3a108936202c06f53c6cdce9d980b1277841e /sys
parent7b1360495da7bd7306ddeea3a9ddb95a483233ae (diff)
downloadFreeBSD-src-421f37c593233e3fe7a4b3adde63481a3c615cb0.zip
FreeBSD-src-421f37c593233e3fe7a4b3adde63481a3c615cb0.tar.gz
Define UPAGES_HOLE at 2 (same as current UPAGES) in case UPAGES changes
later. This is used to calculate the top of user address space.
Diffstat (limited to 'sys')
-rw-r--r--sys/i386/include/param.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h
index cd11d85..599ab35 100644
--- a/sys/i386/include/param.h
+++ b/sys/i386/include/param.h
@@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)param.h 5.8 (Berkeley) 6/28/91
- * $Id$
+ * $Id: param.h,v 1.26 1997/02/22 09:34:54 peter Exp $
*/
#ifndef _MACHINE_PARAM_H_
@@ -72,6 +72,8 @@
#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */
#define UPAGES 2 /* pages of u-area */
+#define UPAGES_HOLE 2 /* pages of "hole" at top of user space where */
+ /* the upages used to be. DO NOT CHANGE! */
/*
* Constants related to network buffer management.
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