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Pavel Begunkov c34b025f2d io_uring: cache __io_free_req()'d requests

Don't kfree requests in __io_free_req() but put them back into the
internal request cache. That makes allocations more sustainable and will
be used for refcounting optimisations.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9f4950fbe7771c8d41799366d0a3a08ac3040236.1628536684.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2021-08-23 13:09:43 -06:00

arch

Merge tag 'powerpc-5.14-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2021-08-22 09:49:31 -07:00

block

Merge tag 'block-5.14-2021-08-20' of git://git.kernel.dk/linux-block

2021-08-21 08:11:22 -07:00

certs

Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2021-05-08 10:00:11 -07:00

crypto

crypto: drbg - select SHA512

2021-07-16 15:49:31 +08:00

Documentation

Merge tag 'riscv-for-linus-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

2021-08-21 11:04:26 -07:00

drivers

Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

2021-08-21 11:27:16 -07:00

io_uring: cache __io_free_req()'d requests

2021-08-23 13:09:43 -06:00

include

Merge branch 'akpm' (patches from Andrew)

2021-08-20 13:08:56 -07:00

init

init: Suppress wrong warning for bootconfig cmdline parameter

2021-08-12 13:35:57 -04:00

ipc

Merge branch 'akpm' (patches from Andrew)

2021-07-02 12:08:10 -07:00

kernel

Merge tag 'net-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2021-08-19 12:33:43 -07:00

lib

lib: use PFN_PHYS() in devmem_is_allowed()

2021-08-13 14:09:32 -10:00

LICENSES

LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"

2021-07-15 06:31:24 -06:00

hugetlb: don't pass page cache pages to restore_reserve_on_error

2021-08-20 11:31:42 -07:00

net

mptcp: full fully established support after ADD_ADDR

2021-08-19 12:16:54 +01:00

samples

Merge tag 'net-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2021-07-14 09:24:32 -07:00

scripts

Merge tag 'kbuild-fixes-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2021-08-07 10:03:02 -07:00

security

bpf: Add lockdown check for probe_write_user helper

2021-08-10 10:10:10 +02:00

sound

Merge tag 'sound-5.14-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2021-08-20 12:31:10 -07:00

tools

Merge tag 'net-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2021-08-19 12:33:43 -07:00

usr

.gitignore: prefix local generated files with a slash

2021-05-02 00:43:35 +09:00

virt

KVM: Do not leak memory for duplicate debugfs directories

2021-08-04 06:02:03 -04:00

.clang-format

clang-format: Update with the latest for_each macro list

2021-05-12 23:32:39 +02:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

Opt out of scripts/get_maintainer.pl

2019-05-16 10:53:40 -07:00

.gitattributes

.gitattributes: use 'dts' diff driver for dts files

2019-12-04 19:44:11 -08:00

.gitignore

.gitignore: ignore only top-level modules.builtin

2021-05-02 00:43:35 +09:00

.mailmap

Merge tag 'm68k-for-v5.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

2021-06-28 14:01:03 -07:00

COPYING

COPYING: state that all contributions really are covered by this file

2020-02-10 13:32:20 -08:00

CREDITS

MAINTAINERS: move Murali Karicheri to credits

2021-04-29 15:47:30 -07:00

Kbuild

kbuild: rename hostprogs-y/always to hostprogs/always-y

2020-02-04 01:53:07 +09:00

Kconfig

kbuild: ensure full rebuild when the compiler is updated

2020-05-12 13:28:33 +09:00

MAINTAINERS

Merge branch 'akpm' (patches from Andrew)

2021-08-20 13:08:56 -07:00

Makefile

Linux 5.14-rc7

2021-08-22 14:24:56 -07:00

README

Drop all 00-INDEX files from Documentation/

2018-09-09 15:08:58 -06:00

README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.