diff options
Diffstat (limited to 'usr/src/lib/libbc/inc/include/sun4/vmparam.h')
| -rw-r--r-- | usr/src/lib/libbc/inc/include/sun4/vmparam.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/usr/src/lib/libbc/inc/include/sun4/vmparam.h b/usr/src/lib/libbc/inc/include/sun4/vmparam.h deleted file mode 100644 index 0204a7d333..0000000000 --- a/usr/src/lib/libbc/inc/include/sun4/vmparam.h +++ /dev/null @@ -1,150 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright (c) 1987-1998,2001 by Sun Microsystems, Inc. - * All rights reserved. - */ - -#ifndef _SUN4_VMPARAM_H -#define _SUN4_VMPARAM_H - -#pragma ident "%Z%%M% %I% %E% SMI" - -#ifdef __cplusplus -extern "C" { -#endif - -#include <sun4/param.h> - -/* - * Machine dependent constants for Sun-4 - */ - -/* - * USRTEXT is the start of the user text/data space, while USRSTACK - * is the top (end) of the user stack. - */ -#define USRTEXT 0x2000 -#define USRSTACK KERNELBASE - -/* - * Virtual memory related constants for UNIX resource control, all in bytes - * The default stack size of 8M allows an optimization of mmu mapping - * resources so that in normal use a single mmu region map entry (smeg) - * can be used to map both the stack and shared libraries - */ -#define DFLSSIZ (8*1024*1024) /* initial stack size limit */ - -#define DFLDSIZ_260 ((512*1024*1024)-USRTEXT) /* initial data size limit */ -#define MAXDSIZ_260 ((512*1024*1024)-USRTEXT) /* max data size limit */ -#define MAXSSIZ_260 ((512*1024*1024)-KERNELSIZE) /* max stack size limit */ - -#define DFLDSIZ_470 ((2048*1024*1024)-USRTEXT) /* initial data size limit */ -#define MAXDSIZ_470 ((2048*1024*1024)-USRTEXT) /* max data size limit */ -#define MAXSSIZ_470 ((2048*1024*1024)-KERNELSIZE) /* max stack size limit */ - -#define DFLDSIZ dfldsiz -#define MAXDSIZ maxdsiz -#define MAXSSIZ maxssiz - -#ifndef LOCORE -extern unsigned int dfldsiz; -extern unsigned int maxdsiz; -extern unsigned int maxssiz; -#endif /* !LOCORE */ - -#define SSIZE 1 /* initial stack size */ -#define SINCR 1 /* increment of stack */ - -/* - * Size of the kernel segkmem system pte table. This virtual - * space is controlled by the resource map "kernelmap". - */ -#define SYSPTSIZE (0x640000 / MMU_PAGESIZE) - -/* - * Minimum allowable virtual address space to be used - * by the seg_map segment driver for fast kernel mappings. - */ -#define MINMAPSIZE 0x200000 - -/* - * The time for a process to be blocked before being very swappable. - * This is a number of seconds which the system takes as being a non-trivial - * amount of real time. You probably shouldn't change this; - * it is used in subtle ways (fractions and multiples of it are, that is, like - * half of a ``long time'', almost a long time, etc.) - * It is related to human patience and other factors which don't really - * change over time. - */ -#define MAXSLP 20 - -/* - * A swapped in process is given a small amount of core without being bothered - * by the page replacement algorithm. Basically this says that if you are - * swapped in you deserve some resources. We protect the last SAFERSS - * pages against paging and will just swap you out rather than paging you. - * Note that each process has at least UPAGES pages which are not - * paged anyways so this number just means a swapped in process is - * given around 32k bytes. - */ -#define SAFERSS 3 - -/* - * DISKRPM is used to estimate the number of paging i/o operations - * which one can expect from a single disk controller. - */ -#define DISKRPM 60 - -/* - * Paging thresholds (see vm_pageout.c). - * Strategy of 3/17/83: - * lotsfree is 256k bytes, but at most 1/8 of memory - * desfree is 100k bytes, but at most 1/16 of memory - * minfree is 32k bytes, but at most 1/2 of desfree - */ -#define LOTSFREE (256 * 1024) -#define LOTSFREEFRACT 8 -#define DESFREE (100 * 1024) -#define DESFREEFRACT 16 -#define MINFREE (32 * 1024) -#define MINFREEFRACT 2 - -/* - * There are two clock hands, initially separated by HANDSPREAD bytes - * (but at most all of user memory). The amount of time to reclaim - * a page once the pageout process examines it increases with this - * distance and decreases as the scan rate rises. - */ -#define HANDSPREAD (2 * 1024 * 1024) - -/* - * Paged text files that are less than PGTHRESH bytes - * may be "prefaulted in" instead of demand paged. - */ -#define PGTHRESH (280 * 1024) - -#ifdef __cplusplus -} -#endif - -#endif /* !_SUN4_VMPARAM_H */ |