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Mark Johnston b5d239cb97 Wire pages in vm_page_grab() when appropriate.
uiomove_object_page() and exec_map_first_page() would previously wire a
page after having grabbed it.  Ask vm_page_grab() to perform the wiring
instead: this removes some redundant code, and is cheaper in the case
where the requested page is not resident since the page allocator can be
asked to initialize the page as wired, whereas a separate vm_page_wire()
call requires the page lock.

In vm_imgact_hold_page(), use vm_page_unwire_noq() instead of
vm_page_unwire(PQ_NONE).  The latter ensures that the page is dequeued
before returning, but this is unnecessary since vm_page_free() will
trigger a batched dequeue of the page.

Reviewed by:	alc, kib
Tested by:	pho (part of a larger patch)
MFC after:	1 week
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D21440
2019-08-28 16:08:06 +00:00
bin Now that we have MK_LS_COLORS, we don't need RELEASE_CRUNCH check here. 2019-07-15 07:35:46 +00:00
cddl Add hold events for lockmgr probes, missed in r351361. 2019-08-21 23:47:01 +00:00
contrib MFV r351553: 2019-08-27 20:11:45 +00:00
crypto Complete LOCAL_PEERCRED support. Cache pid of the remote process in the 2019-05-30 14:24:26 +00:00
etc Fix build (r351481). 2019-08-25 19:27:14 +00:00
gnu as: add deprecation notice to the man page 2019-08-01 19:01:27 +00:00
include Increase YPMAXRECORD to 16M to be compatible with Linux. 2019-08-12 20:27:33 +00:00
kerberos5 Fix generation of krb5-config with LC_CTYPE=*.UTF-8 2019-07-01 11:47:45 +00:00
lib Introduce <sys/qmath.h>, a fixed-point math library from Netflix. 2019-08-27 11:46:22 +00:00
libexec Remove some compatability with Seventh Edition UNIX realloc(). 2019-08-20 16:07:17 +00:00
release simple_httpd was not buildable for some time due to multiple missing 2019-08-18 01:00:21 +00:00
rescue Remove unused defines since r147075 2019-07-12 04:44:50 +00:00
sbin ping: raise WARNS level to 6 2019-08-27 15:34:37 +00:00
secure Merge OpenSSL 1.1.1c. 2019-05-28 21:54:12 +00:00
share Introduce <sys/qmath.h>, a fixed-point math library from Netflix. 2019-08-27 11:46:22 +00:00
stand stand: boot2: fix amd64-xtoolchain-gcc build 2019-08-23 01:16:12 +00:00
sys Wire pages in vm_page_grab() when appropriate. 2019-08-28 16:08:06 +00:00
targets iwmbtfw: Firmware loader for Intel Wireless 8260 based Bluetooth USB devices 2019-08-18 22:20:28 +00:00
tests fusefs: Fix some bugs regarding the size of the LISTXATTR list 2019-08-28 04:19:37 +00:00
tools Add kernel-side support for in-kernel TLS. 2019-08-27 00:01:56 +00:00
usr.bin Make it clear what the userland traces are in the ktrace(1) man page. 2019-08-26 10:18:19 +00:00
usr.sbin Replace -Werror with ${WERROR} in pmcstudy 2019-08-25 22:06:26 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml cirrus.yml: stop fetching OVMF.fd now that we're using the pkg 2019-07-30 16:40:33 +00:00
.clang-format Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore .gitignore: Add LINT kernel configurations generated into SRCDIR 2019-08-10 18:22:22 +00:00
COPYRIGHT Happy New Year 2019! 2019-01-01 00:25:25 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS [skip ci] Add me to MAINTAINERS for fusefs 2019-07-28 15:20:47 +00:00
Makefile pkgbase: Add the sub stage-packages targets to TGTS 2019-07-24 08:00:00 +00:00
Makefile.inc1 Add head(1) to native-xtools so that it can be used in qemu-user jails 2019-06-20 13:24:58 +00:00
Makefile.libcompat libsysdecode: use the proper include directory 2019-07-25 17:10:17 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Remove zlib 1.0.4 from kernel. 2019-08-25 17:13:00 +00:00
README README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
RELNOTES Document Intel RST support just added 2019-08-22 02:53:46 +00:00
UPDATING ping6: Rename options for better consistency with ping 2019-08-23 15:22:20 +00:00

FreeBSD Source:

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

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

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. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

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.

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.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

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:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html