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The i386 page size is fixed -- override PAGE_SIZE, et al, so that they 

are compile-time constants.
This commit is contained in:
thorpej 2000-11-14 18:01:54 +00:00
parent 8f80fe0cd5
commit 10b31e1ebc
1 changed files with 9 additions and 1 deletions
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10
sys/arch/i386/include/vmparam.h
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@ -1,4 +1,4 @@
/* $NetBSD: vmparam.h,v 1.38 2000/11/09 17:34:52 kim Exp $ */
/* $NetBSD: vmparam.h,v 1.39 2000/11/14 18:01:54 thorpej Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -45,6 +45,14 @@
* Machine dependent constants for 386.
*/
/*
* Page size on the IA-32 is not variable in the traditional sense.
* We override the PAGE_* definitions to compile-time constants.
*/
#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE - 1)
/*
* Virtual address space arrangement. On 386, both user and kernel
* share the address space, not unlike the vax.