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allow ports to override PAGER_MAP_SIZE in machine/vmparam.h.

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some ports (such as arm32) don't have enough KVA for the
increased default size once the UBC mapping is also present.
This commit is contained in:
chs 2000-11-27 08:19:50 +00:00
parent 1ec37ad27a
commit c29a1b4461
2 changed files with 9 additions and 2 deletions
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7
sys/arch/arm32/include/vmparam.h
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@ -1,4 +1,4 @@
/* $NetBSD: vmparam.h,v 1.18 2000/02/11 19:25:14 thorpej Exp $ */
/* $NetBSD: vmparam.h,v 1.19 2000/11/27 08:19:50 chs Exp $ */
/*
* Copyright (c) 1988 The Regents of the University of California.
@ -129,6 +129,11 @@
#endif
#define PROCESS_PAGE_TBLS_BASE PAGE_TABLE_SPACE_START
/*
* Override the default pager_map size, there's not enough KVA.
*/
#define PAGER_MAP_SIZE (4 * 1024 * 1024)
/*
* Mach derived constants
*/

4
sys/uvm/uvm_pager.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: uvm_pager.h,v 1.18 2000/11/24 22:41:39 chs Exp $ */
/* $NetBSD: uvm_pager.h,v 1.19 2000/11/27 08:19:51 chs Exp $ */
/*
*
@ -214,7 +214,9 @@ struct vm_page **uvm_mk_pcluster __P((struct uvm_object *, struct vm_page **,
* is changed to do physically-addressed i/o.
*/
#ifndef PAGER_MAP_SIZE
#define PAGER_MAP_SIZE (16 * 1024 * 1024)
#endif
#endif /* _KERNEL */