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Date: Sat, 13 May 1995 20:00:11 -0700
From: David Greenman <davidg>
Message-Id: <199505140300.UAA20720@freefall.cdrom.com>
To: CVS-commiters, cvs-sys
Subject: cvs commit: src/sys/vm swap_pager.c vm_extern.h vm_swap.c
Sender: cvs-sys-owner@freebsd.org
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davidg      95/05/13 20:00:10

  Modified:    sys/i386/conf  GENERIC LINT
               sys/i386/i386  autoconf.c
               sys/kern  init_main.c
               sys/nfs   nfs_vfsops.c
               sys/sys   conf.h gmon.h param.h systm.h
               sys/vm    swap_pager.c vm_extern.h vm_swap.c
  Log:
  Changed swap partition handling/allocation so that it doesn't
  require specific partitions be mentioned in the kernel config
  file ("swap on foo" is now obsolete).
  
  From Poul-Henning:
  
  The visible effect is this:
  
  As default, unless
          options "NSWAPDEV=23"
  is in your config, you will have four swap-devices.
  You can swapon(2) any block device you feel like, it doesn't have
  to be in the kernel config.
  
  There is a performance/resource win available by getting the NSWAPDEV right
  (but only if you have just one swap-device ??), but using that as default
  would be too restrictive.
  
  The invisible effect is that:
  
  Swap-handling disappears from the $arch part of the kernel.
  It gets a lot simpler (-145 lines) and cleaner.
  
  Reviewed by:	John Dyson, David Greenman
  Submitted by:	Poul-Henning Kamp, with minor changes by me.