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Reduce default UBC_NWINS to save precious KVM.

This commit is contained in:
bjh21 2000-11-30 20:59:36 +00:00
parent be487a2752
commit 9307dc5373
1 changed files with 8 additions and 1 deletions
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9
sys/arch/arm26/include/param.h
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@ -1,4 +1,4 @@
/* $NetBSD: param.h,v 1.3 2000/08/22 21:27:22 bjh21 Exp $ */
/* $NetBSD: param.h,v 1.4 2000/11/30 20:59:36 bjh21 Exp $ */
/*
* Copyright (c) 1994,1995 Mark Brinicombe.
@ -110,6 +110,13 @@
#define NKMEMPAGES_MIN_DEFAULT 0
#define NKMEMPAGES_MAX_DEFAULT 32
/*
* Reduce UBC KVM usage from its default (8Mb when I looked).
*/
#ifndef UBC_NWINS
#define UBC_NWINS 128
#endif
/* pages ("clicks") to disk blocks */
#define ctod(x) ((x) << (PGSHIFT - DEV_BSHIFT))
#define dtoc(x) ((x) >> (PGSHIFT - DEV_BSHIFT))