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a7defaea9a
freebsd-dev/sys
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Mark Johnston a7defaea9a Elide the object lock in the common case in vfs_vmio_unwire(). 
The object lock was only needed when attempting to free B_DIRECT
buffer pages, and for testing for invalid pages (and freeing them
if so). Handle the latter by instead moving invalid pages near the head
of the inactive queue, where they will be reclaimed quickly.

Reviewed by:	alc, kib, jeff
MFC after:	3 weeks
Differential Revision:	https://reviews.freebsd.org/D14778
2018-03-21 21:15:43 +00:00
..
amd64 Move the CR0.WP manipulation KPI to x86. 2018-03-20 20:20:49 +00:00
arm This is MPSAFE on this platform, so don't take Giant out while running 2018-03-21 14:47:08 +00:00
arm64 Rename assym.s to assym.inc 2018-03-20 17:58:51 +00:00
bsm sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
cam Revert r331273: "Release the "TUR" reference when clearing the TUR work flag. We mostly" 2018-03-21 12:55:59 +00:00
cddl Revert part of r331264: disable interrupts before disabling WP. 2018-03-20 21:36:35 +00:00
compat Regenerate sysent files after r331279. 2018-03-21 01:17:01 +00:00
conf Import Blake2 algorithms (blake2b, blake2s) from libb2 2018-03-21 16:18:14 +00:00
contrib Import Blake2 algorithms (blake2b, blake2s) from libb2 2018-03-21 16:18:14 +00:00
crypto Import Blake2 algorithms (blake2b, blake2s) from libb2 2018-03-21 16:18:14 +00:00
ddb db_script_exec: use a saved script name when reporting commands executed 2018-03-04 13:27:21 +00:00
dev Update copyright per Matthew Macy 2018-03-21 15:57:36 +00:00
dts sys/dts: Remove arm64 from subdir as it no longer exists. 2018-03-19 15:35:26 +00:00
fs Revert r313780 (UFS_ prefix) 2018-03-17 12:59:55 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom Remove unneeded variable which was introduced in r328472. 2018-03-18 15:09:55 +00:00
gnu bwn(4): txpid2g/txpid5g[lh] are not defined after sromrev 7; the default 2018-02-13 17:43:54 +00:00
i386 Restore close quote lost in r331254 2018-03-20 21:04:47 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern Elide the object lock in the common case in vfs_vmio_unwire(). 2018-03-21 21:15:43 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern iconv uses strlen directly on user supplied memory 2018-02-26 18:23:36 +00:00
mips Rename assym.s to assym.inc 2018-03-20 17:58:51 +00:00
modules Import Blake2 algorithms (blake2b, blake2s) from libb2 2018-03-21 16:18:14 +00:00
net Use count(9) api for the bpf(4) statistics. 2018-03-20 22:57:06 +00:00
net80211 net80211: wrap protection frame allocation into ieee80211_alloc_prot() 2018-03-09 11:33:56 +00:00
netgraph Correct pseudo misspelling in sys/ comments 2018-02-23 18:15:50 +00:00
netinet The net.inet.tcp.nolocaltimewait=1 optimization prevents local TCP connections 2018-03-21 20:59:30 +00:00
netinet6 If the INP lock is uncontested, avoid taking a reference and jumping 2018-03-21 15:54:46 +00:00
netipsec Set the proper vnet in IPsec callback functions. 2018-03-20 17:05:23 +00:00
netpfil pf: Fix memory leak in DIOCRADDTABLES 2018-03-19 21:13:25 +00:00
netsmb Unsign some values related to allocation. 2018-01-22 02:08:10 +00:00
nfs Modernize nfssvc(2) registartion. 2018-02-08 20:09:42 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Remove redundant integer cast in ibcore. The "ref_count" field already 2018-03-19 13:51:33 +00:00
opencrypto Import Blake2 algorithms (blake2b, blake2s) from libb2 2018-03-21 16:18:14 +00:00
powerpc Rename assym.s to assym.inc 2018-03-20 17:58:51 +00:00
riscv Rename assym.s to assym.inc 2018-03-20 17:58:51 +00:00
rpc Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
security audit(4): fix a typo in a comment 2018-03-17 17:56:08 +00:00
sparc64 Mark psycho interrupts as MPSAFE. It's safe to do so now that we don't 2018-03-21 14:47:17 +00:00
sys Move sysinit and sysuninit linker sets in the data (writeable) section. 2018-03-21 10:26:39 +00:00
teken sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tests
tools Avoid using \$. It's an unknown escape sequence. Some awks warn about 2018-01-28 05:13:08 +00:00
ufs Revert r313780 (UFS_ prefix) 2018-03-17 12:59:55 +00:00
vm Check for wrap-around in vm_phys_alloc_seg_contig(). 2018-03-20 16:17:55 +00:00
x86 Move the CR0.WP manipulation KPI to x86. 2018-03-20 20:20:49 +00:00
xdr sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
xen sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
Makefile Move sys/boot to stand. Fix all references to new location 2017-11-14 23:02:19 +00:00