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5dbbb84e42
freebsd/lib
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Mark Johnston 64910ddbff Launder VPO_NOSYNC pages upon vnode deactivation. 
As of r234483, vnode deactivation causes non-VPO_NOSYNC pages to be
laundered. This behaviour has two problems:

1. Dirty VPO_NOSYNC pages must be laundered before the vnode can be
   reclaimed, and this work may be unfairly deferred to the vnlru process
   or an unrelated application when the system is under vnode pressure.
2. Deactivation of a vnode with dirty VPO_NOSYNC pages requires a scan of
   the corresponding VM object's memq for non-VPO_NOSYNC dirty pages; if
   the laundry thread needs to launder pages from an unreferenced such
   vnode, it will reactivate and deactivate the vnode with each laundering,
   potentially resulting in a large number of expensive scans.

Therefore, ensure that all dirty pages are laundered upon deactivation,
i.e., when all maps of the vnode are removed and all references are
released.

Reviewed by:	alc, kib
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D8641
2016-11-26 21:00:27 +00:00
..
atf Don't bake all of CC/CPP/CXX into CFLAGS 2016-09-01 02:42:11 +00:00
clang Bump FREEBSD_CC_VERSION again for r309147 and 309149. 2016-11-25 18:12:57 +00:00
csu Make MIPS startup assembly files use neutral float ABI. 2016-11-16 03:21:49 +00:00
lib80211 First pass through library packaging. 2016-02-04 21:16:35 +00:00
libalias Update libalias and libpam packaged files. 2016-02-05 01:03:38 +00:00
libarchive Create a new MACHINE_ARCH for Freescale PowerPC e500v2 2016-10-22 01:57:15 +00:00
libauditd First pass through library packaging. 2016-02-04 21:16:35 +00:00
libbegemot First pass through library packaging. 2016-02-04 21:16:35 +00:00
libblacklist DIRDEPS_BUILD: Connect new directories and update dependencies. 2016-06-03 19:25:30 +00:00
libblocksruntime First pass through library packaging. 2016-02-04 21:16:35 +00:00
libbluetooth Improve performance and functionality of the bitstring(3) api 2016-05-04 22:34:11 +00:00
libbsdstat Fix off by one error in index limit calculation 2016-05-16 15:42:59 +00:00
libbsm First pass through library packaging. 2016-02-04 21:16:35 +00:00
libbsnmp Remove NO_WERROR from libbsnmp/Makefile.inc 2016-05-13 21:17:49 +00:00
libbz2 First pass through library packaging. 2016-02-04 21:16:35 +00:00
libc Launder VPO_NOSYNC pages upon vnode deactivation. 2016-11-26 21:00:27 +00:00
libc_nonshared
libc++ Revert 305098 2016-08-31 00:11:35 +00:00
libcalendar First pass through library packaging. 2016-02-04 21:16:35 +00:00
libcam Fix multiple Coverity Out-of-bounds access false postive issues in CAM 2016-05-24 00:57:11 +00:00
libcapsicum DIRDEPS_BUILD: Connect new dependencies. 2016-11-13 00:11:23 +00:00
libcasper Set SHLIBDIR before .including src.opts.mk in libcapser services 2016-10-24 14:37:18 +00:00
libclang_rt Update compiler-rt to 3.9.0 release, and update the build glue for 2016-09-03 21:41:29 +00:00
libcom_err First pass through library packaging. 2016-02-04 21:16:35 +00:00
libcompat Fix Coverity CID 978183 Resource leak in rexec(). 2016-05-25 07:26:22 +00:00
libcompiler_rt Merge ^/head r308491 through r308841. 2016-11-19 16:05:55 +00:00
libcrypt Make libcrypt thread-safe. Add crypt_r(3). 2016-08-10 15:16:28 +00:00
libcuse libcuse: make more use of the howmany() macro when available. 2016-04-26 01:20:16 +00:00
libcxxrt libcxxrt: correct mangled "typeinfo name" symbols in Version.map 2016-06-29 11:48:42 +00:00
libdevctl Implement 'devctl clear driver' to undo a previous 'devctl set driver'. 2016-08-29 22:48:36 +00:00
libdevdctl directly create the socket with SOCK_NONBLOCK instead of calling fcntl(2) 2016-10-15 13:16:52 +00:00
libdevinfo MFH 2016-04-04 23:55:32 +00:00
libdevstat First pass through library packaging. 2016-02-04 21:16:35 +00:00
libdpv MFH 2016-03-02 16:14:46 +00:00
libdwarf elftoolchain: Use ${SRCTOP} for the top of the FreeBSD tree 2016-04-21 12:58:29 +00:00
libedit When MAKEOBJDIRPREFIX points to a case-insensitive file system, the 2016-09-24 15:11:27 +00:00
libefivar DIRDEPS_BUILD: Connect new dependencies. 2016-11-13 00:11:23 +00:00
libelf elftoolchain: Use ${SRCTOP} for the top of the FreeBSD tree 2016-04-21 12:58:29 +00:00
libelftc Update to ELF Tool Chain r3490 2016-08-31 15:05:04 +00:00
libevent First pass through library packaging. 2016-02-04 21:16:35 +00:00
libexecinfo Update ^/vendor/NetBSD/tests/dist to a more recent snapshot 2016-08-12 01:05:07 +00:00
libexpat First pass through library packaging. 2016-02-04 21:16:35 +00:00
libfetch Remove debugging code. 2016-11-23 10:52:19 +00:00
libfigpar MFH 2016-03-02 16:14:46 +00:00
libgcc_eh libcc_{s,eh}: build without SSP 2016-11-11 23:28:07 +00:00
libgcc_s libcc_{s,eh}: build without SSP 2016-11-11 23:28:07 +00:00
libgeom First pass through library packaging. 2016-02-04 21:16:35 +00:00
libgpio Use GPIOTOGGLE to toggle the pin state instead of read, modify and write. 2016-04-19 15:18:31 +00:00
libgssapi lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
libiconv_modules META MODE: Prefer INSTALL=tools/install.sh to lessen the need for xinstall.host. 2015-11-25 19:10:28 +00:00
libifconfig Mark libifconfig as private until the API/ABI is stable 2016-09-11 17:44:35 +00:00
libipsec IPsec RFC6479 support for replay window sizes up to 2^32 - 32 packets. 2016-11-25 14:44:49 +00:00
libjail Fix libjail reached latest sysctl entry. 2016-10-02 11:56:17 +00:00
libkiconv lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
libkvm libkvm: Improve physical address lookup scaling. 2016-07-18 01:55:25 +00:00
libldns First pass through library packaging. 2016-02-04 21:16:35 +00:00
liblzma First pass through library packaging. 2016-02-04 21:16:35 +00:00
libmagic MFV r308392: file 5.29. 2016-11-07 15:54:47 +00:00
libmd Fix C++ includability of crypto headers with static array sizes 2016-10-18 23:20:49 +00:00
libmemstat Fix buildworld for powerpc. 2016-11-20 06:10:12 +00:00
libmilter MFH 2016-03-02 16:14:46 +00:00
libmp libmp: Fix trivial buffer overrun 2016-05-12 03:53:20 +00:00
libmt Add the density code for LTO-7 to libmt and the mt(1) man page. 2016-05-20 19:30:52 +00:00
libnandfs First pass through library packaging. 2016-02-04 21:16:35 +00:00
libnetbsd Include "util.h", not <util.h>. The header is in the same directory 2016-10-24 17:57:46 +00:00
libnetgraph First pass through library packaging. 2016-02-04 21:16:35 +00:00
libngatm First pass through library packaging. 2016-02-04 21:16:35 +00:00
libnv Fix style issue in the cnv API. 2016-08-27 13:40:27 +00:00
libopenbsd First pass through library packaging. 2016-02-04 21:16:35 +00:00
libopie First pass through library packaging. 2016-02-04 21:16:35 +00:00
libpam Remove support for SSH1 as it is already disabled in our OpenSSH. 2016-08-22 20:48:46 +00:00
libpathconv This little BSD licensed library has been kicking around for years. 2016-11-23 07:57:52 +00:00
libpcap libpcap: replace comma with semicolon when pertinent. 2016-08-09 19:44:33 +00:00
libpe DIRDEPS_BUILD: Update dependencies. 2016-02-16 02:14:30 +00:00
libpjdlog MFH 2016-03-02 16:14:46 +00:00
libpmc lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
libproc Use uint32_t instead of u_long as a storage for breakpoint instruction 2016-10-26 14:26:45 +00:00
libprocstat When MAKEOBJDIRPREFIX points to a case-insensitive file system, the 2016-09-24 15:11:27 +00:00
libradius The NAS-Identifier attribute is a string, not an integer. 2016-05-24 11:44:43 +00:00
librpcsec_gss librpcsec_gss: remove redundant code. 2016-05-11 14:37:33 +00:00
librpcsvc MFH 2016-03-02 16:14:46 +00:00
librss [rss] manpage improvements. 2016-10-23 20:42:32 +00:00
librt Export the mq_getfd_np() symbol from librt.so, which allows to get 2016-10-02 17:02:59 +00:00
librtld_db DIRDEPS_BUILD: Update dependencies. 2016-08-31 19:30:46 +00:00
libsbuf First pass through library packaging. 2016-02-04 21:16:35 +00:00
libsdp lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
libsm MFH 2016-03-02 16:14:46 +00:00
libsmb First pass through library packaging. 2016-02-04 21:16:35 +00:00
libsmdb MFH 2016-03-02 16:14:46 +00:00
libsmutil MFH 2016-03-02 16:14:46 +00:00
libsqlite3 First pass through library packaging. 2016-02-04 21:16:35 +00:00
libstand Loader paged/pageable data is not always paged. 2016-11-08 06:50:18 +00:00
libstdbuf First pass through library packaging. 2016-02-04 21:16:35 +00:00
libstdthreads First pass through library packaging. 2016-02-04 21:16:35 +00:00
libsysdecode Move libsysdecode-specific hack out of buildworld. 2016-11-13 00:11:15 +00:00
libtacplus First pass through library packaging. 2016-02-04 21:16:35 +00:00
libtelnet First pass through library packaging. 2016-02-04 21:16:35 +00:00
libthr When MAKEOBJDIRPREFIX points to a case-insensitive file system, the 2016-09-24 15:11:27 +00:00
libthread_db First pass through library packaging. 2016-02-04 21:16:35 +00:00
libucl Use SRCTOP to find the sources of libucl 2016-10-15 13:17:27 +00:00
libufs libufs: Simplify generation number calculation. 2016-05-18 19:59:05 +00:00
libugidfw First pass through library packaging. 2016-02-04 21:16:35 +00:00
libulog First pass through library packaging. 2016-02-04 21:16:35 +00:00
libunbound Upgrade to Unbound 1.5.9. 2016-09-04 12:17:57 +00:00
libusb Fix libusb20_dev_get_desc(3) to use the "vendor product" order, not 2016-10-22 14:37:13 +00:00
libusbhid Remove CVS directories accidentally added in r303980 2016-08-12 06:16:14 +00:00
libutil Add a warning against modifying this code without understanding it, and 2016-11-24 14:50:21 +00:00
libvgl MFH 2016-04-13 16:19:50 +00:00
libvmmapi lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
libwrap First pass through library packaging. 2016-02-04 21:16:35 +00:00
libxo Submitted by: phil 2016-05-29 01:43:28 +00:00
liby First pass through library packaging. 2016-02-04 21:16:35 +00:00
libypclnt MFH 2016-04-16 02:32:12 +00:00
libz MFH 2016-04-04 23:55:32 +00:00
msun Add full softfloat and hardfloat support for RISC-V. 2016-11-16 15:21:32 +00:00
ncurses DIRDEPS_BUILD: Run the staged bootstrap-tools version of build-tools. 2016-05-09 22:21:09 +00:00
tests Merge ^/user/ngie/release-pkg-fix-tests to unbreak how test files are installed 2016-05-04 23:20:53 +00:00
Makefile Connect new LLVM-based libgcc_eh & libgcc_s to the build 2016-11-04 19:35:49 +00:00
Makefile.inc