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Xin LI 296a25a245 Improve the way to calculate available pages in tmpfs:
- Don't deduct wired pages from total usable counts because it does not
   make any sense.  To make things worse, on systems where swap size is
   smaller than physical memory and use a lot of wired pages (e.g. ZFS),
   tmpfs can suddenly have free space of 0 because of this;
 - Count cached pages as available; [1]
 - Don't count inactive pages as available, technically we could but that
   might be too aggressive; [1]

[1] Suggested by kib@

MFC after:	1 week
2011-11-21 20:26:22 +00:00
bin sh: Allow unsetting OPTIND. 2011-11-20 21:48:50 +00:00
cddl Fix mismerge in copyright of zpool(8). 2011-11-21 15:33:37 +00:00
contrib Implement xlocale APIs from Darwin, mainly for use by libc++. This adds a 2011-11-20 14:45:42 +00:00
crypto Add a -x option that causes ssh-agent(1) to exit when all clients have 2011-10-07 13:10:16 +00:00
etc Better use pkill(1) in last commit. 2011-11-21 12:23:22 +00:00
games Add static keywords to variables and functions where possible in games/. 2011-11-05 07:18:53 +00:00
gnu Rename the linker emulation name for powerpc and powerc64. This is needed that 2011-11-19 19:25:57 +00:00
include Implement xlocale APIs from Darwin, mainly for use by libc++. This adds a 2011-11-20 14:45:42 +00:00
kerberos5 - Add missing interdependencies to kerberos libraries. Some of the 2011-09-27 07:14:12 +00:00
lib Simplify the libpam build by removing the shared modules' dependency 2011-11-21 16:40:39 +00:00
libexec Fix fd leak. 2011-11-18 09:55:47 +00:00
release Add 2010 and 2011 copyrights. 2011-11-19 22:14:08 +00:00
rescue Add netcat (nc) to /rescue. 2011-11-15 16:20:39 +00:00
sbin Correct and expand BSD partitioning scheme description. 2011-11-21 18:04:37 +00:00
secure - add a missing "be" and "in" 2011-11-11 22:27:09 +00:00
share As threatened on -arch, add {SHARED,STATIC}_{C,CXX}FLAGS, which allow a 2011-11-21 16:35:57 +00:00
sys Improve the way to calculate available pages in tmpfs: 2011-11-21 20:26:22 +00:00
tools sh: Allow unsetting OPTIND. 2011-11-20 21:48:50 +00:00
usr.bin Add helpful clarification text. While not strictly necessary, these 2011-11-16 22:02:59 +00:00
usr.sbin KNF 2011-11-15 06:50:10 +00:00
COPYRIGHT Happy New Year 2011. 2010-12-31 18:07:16 +00:00
LOCKS
MAINTAINERS Farewall, sysinstall! You served us well for many years, but 10.0 is one 2011-10-03 15:13:09 +00:00
Makefile Replace 'chflags' with 'file flags' in a comment, since 'chflags' 2011-11-20 20:05:47 +00:00
Makefile.inc1 Simplify the libpam build by removing the shared modules' dependency 2011-11-21 16:40:39 +00:00
Makefile.mips Retire TARGET_ABI. 2011-01-07 20:26:33 +00:00
ObsoleteFiles.inc Add more obsolete files. 2011-11-06 14:00:18 +00:00
README Add the cddl/ directory. 2010-11-14 11:32:56 +00:00
UPDATING Introduce the option VFS_ALLOW_NONMPSAFE and turn it on by default on 2011-11-08 10:18:07 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

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, the kernel-modules and the contents of /etc.  The ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

The ``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  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 is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/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 NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


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

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography 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.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

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/doc/en_US.ISO8859-1/books/handbook/synching.html