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Enable top-down VM if USE_TOPDOWN_VM is defined.

This commit is contained in:
simonb 2004-04-26 22:25:54 +00:00
parent e9b7546ec1
commit 24798155ac
1 changed files with 13 additions and 1 deletions
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14
sys/arch/mips/include/vmparam.h
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@ -1,4 +1,4 @@
/* $NetBSD: vmparam.h,v 1.33 2003/08/07 16:28:29 agc Exp $ */
/* $NetBSD: vmparam.h,v 1.34 2004/04/26 22:25:54 simonb Exp $ */
/*
* Copyright (c) 1992, 1993
@ -153,6 +153,18 @@
#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xFFFFC000)
#endif
/*
* The address to which unspecified mapping requests default
*/
#ifdef _KERNEL_OPT
#include "opt_uvm.h"
#endif
#define __HAVE_TOPDOWN_VM
#ifdef USE_TOPDOWN_VM
#define VM_DEFAULT_ADDRESS(da, sz) \
trunc_page(USRSTACK - MAXSSIZ - (sz))
#endif
/* virtual sizes (bytes) for various kernel submaps */
#define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE)