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Julian Elischer 2907af2a96 Mostly remove the VM_STACK OPTION. 
This changes the definitions of a few items so that structures are the
same whether or not the option itself is enabled. This allows
people to enable and disable the option without recompilng the world.

As the author says:

|I ran into a problem pulling out the VM_STACK option.  I was aware of this
|when I first did the work, but then forgot about it.  The VM_STACK stuff
|has some code changes in the i386 branch.  There need to be corresponding
|changes in the alpha branch before it can come out completely.

what is done:
|
|1) Pull the VM_STACK option out of the header files it appears in.  This
|really shouldn't affect anything that executes with or without the rest
|of the VM_STACK patches.  The vm_map_entry will then always have one
|extra element (avail_ssize).  It just won't be used if the VM_STACK
|option is not turned on.
|
|I've also pulled the option out of vm_map.c.  This shouldn't harm anything,
|since the routines that are enabled as a result are not called unless
|the VM_STACK option is enabled elsewhere.
|
|2) Add what appears to be appropriate code the the alpha branch, still
|protected behind the VM_STACK switch.  I don't have an alpha machine,
|so we would need to get some testers with alpha machines to try it out.
|
|Once there is some testing, we can consider making the change permanent
|for both i386 and alpha.
|
[..]
|
|Once the alpha code is adequately tested, we can pull VM_STACK out
|everywhere.
|

Submitted by:	"Richard Seaman, Jr." <dick@tar.com>
 		1999-01-26 02:49:52 +00:00
bin Enable Linux threads support by default. 1999-01-26 02:38:12 +00:00
contrib Fix logic surrounding the noconn option. 1999-01-24 10:10:20 +00:00
crypto Old stuff laying around: Don't use getstr which can conflict with some 1998-12-16 06:06:06 +00:00
etc Commit first rc.diskless startup plus modifications to rc.conf and Makefile 1999-01-25 18:24:46 +00:00
games Minor adjustments to prior commits: 1999-01-07 22:09:05 +00:00
gnu Drop outdated FreeBSD version number from test script. 1999-01-24 07:10:34 +00:00
include Oops, forgot this. Needed by libkvm. 1999-01-23 04:58:35 +00:00
kerberos5 Link everything against libcrypt. ELF builds complain without it. 1999-01-25 06:49:43 +00:00
kerberosIV Link everything against libcrypt. ELF builds complain without it. 1999-01-25 06:49:43 +00:00
lib Mostly remove the VM_STACK OPTION. 1999-01-26 02:49:52 +00:00
libexec Oops, I missed a few more /etc/nologin references yesterday. It appears 1999-01-12 14:09:23 +00:00
release Play with MFS size a little. 1999-01-25 04:57:07 +00:00
sbin Add a -b option as a simple way to rewrite the mbr code 1999-01-22 11:54:17 +00:00
secure Support 'O MaxHeaderLines=' to override the default header count and line 1999-01-24 07:54:30 +00:00
share Terminate commit for the Intel PIIX4 SMBus support. Already committed files 1999-01-25 19:34:27 +00:00
sys Mostly remove the VM_STACK OPTION. 1999-01-26 02:49:52 +00:00
tools Add the 'diffburst' tool, which does the following: 1999-01-07 19:28:57 +00:00
usr.bin Use __XSTRING() from cdefs.h instead of rolling my own. 1999-01-25 11:25:24 +00:00
usr.sbin Update pkg_add's remote package feature to reflect the new structure of 1999-01-25 21:08:13 +00:00
COPYRIGHT Add Id keyword 1998-09-13 23:11:13 +00:00
Makefile Dip my toes into the fire and zap the leftover lkm hooks.. It seems they 1998-12-28 17:03:50 +00:00
Makefile.inc0 Don't use /usr/obj/elf for make world anymore. 1999-01-14 06:45:53 +00:00
Makefile.inc1 More broken crypt(3) backout. 1999-01-23 08:44:17 +00:00
Makefile.upgrade Fix an aout-to-elf upgrade failure. Don't let the kernel Makefile 1999-01-25 01:47:49 +00:00
README No more src/lkm dir... 1999-01-06 14:02:35 +00:00
UPDATING Nits. 1999-01-21 20:16:24 +00:00

README 

This is the top level of the FreeBSD source directory.  This file
was last revised on: $Id: README,v 1.13 1998/09/13 09:38:34 markm Exp $

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel and the contents of /etc.  Please see the top of the Makefile
in this directory for more information on the standard build targets
and compile-time flags.

Building a kernel with config(8) is a somewhat more involved process,
documentation for which can be found at:
   http://www.freebsd.org/handbook/kernelconfig.html
And in the config(8) man page.

The sample kernel configuration files reside in the sys/i386/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file LINT contains entries for all possible devices, not
just those commonly used, and is meant more as a general reference
than an actual kernel configuration file (a kernel built from it
wouldn't even run).


Source Roadmap:
---------------
bin		System/User commands.

contrib		Packages contributed by 3rd parties.

crypto		Export controlled stuff (see crypto/README).

etc		Template files for /etc

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberosIV	Kerberos package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

sbin		System commands.

secure		DES and DES-related utilities - NOT FOR EXPORT!

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/handbook/synching.html