document BUFCACHE

This commit is contained in:
lukem 1998-11-01 09:59:33 +00:00
parent d04b2d9043
commit ee1fc6b597
1 changed files with 5 additions and 2 deletions

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@ -1,4 +1,4 @@
.\" $NetBSD: options.4,v 1.64 1998/10/29 21:22:34 jonathan Exp $
.\" $NetBSD: options.4,v 1.65 1998/11/01 09:59:33 lukem Exp $
.\"
.\" Copyright (c) 1996
.\" Perry E. Metzger. All rights reserved.
@ -1154,9 +1154,12 @@ Increase this value if you get
.Dq out of space in kmem_map
panics.
.\" , which mean you have run out of mallocable kernel memory.
.It Cd options BUFCACHE=value
Size of the buffer cache as a percentage of total available
.Tn RAM .
.It Cd options NBUF=value
.It Cd options BUFPAGES=value
These option set the number of pages available for the buffer cache.
These options set the number of pages available for the buffer cache.
Their default value is a machine dependent value, often calculated as
between 5% and 10% of total available
.Tn RAM .