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Keith Busch a5df5e79c4 nvme: allow user toggling hmb usage 
The NVMe host memory buffer may consume a non-negligable amount of
memory. Controllers are required to function without the host memory
buffer enabled, but with possibly degraded performance. Export a sysfs
property to toggle this feature on a per-device granularity so users may
choose to reclaim memory at the expense of storage performance.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-08-16 14:42:24 +02:00
arch
block: remove cmdline-parser.c
2021-08-02 13:37:28 -06:00
block
block: remove blk-mq-sysfs dead code
2021-08-02 13:37:29 -06:00
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
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2021-07-09 11:00:44 -07:00
Documentation
remove the lightnvm subsystem
2021-08-14 15:54:09 -06:00
drivers
nvme: allow user toggling hmb usage
2021-08-16 14:42:24 +02:00
fs
block: remove bdput
2021-08-02 13:37:28 -06:00
include
params: lift param_set_uint_minmax to common code
2021-08-16 14:42:22 +02:00
init
Revert "mm/slub: use stackdepot to save stack trace in objects"
2021-07-17 13:27:00 -07:00
ipc
Merge branch 'akpm' (patches from Andrew)
2021-07-02 12:08:10 -07:00
kernel
params: lift param_set_uint_minmax to common code
2021-08-16 14:42:22 +02:00
lib
lib/test_string.c: move string selftest in the Runtime Testing menu
2021-07-30 10:14:39 -07:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
mm/memcg: fix NULL pointer dereference in memcg_slab_free_hook()
2021-07-30 10:14:39 -07:00
net
params: lift param_set_uint_minmax to common code
2021-08-16 14:42:22 +02:00
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' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-07-18 11:10:30 -07:00
security
Merge tag 'asm-generic-unaligned-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2021-07-02 12:43:40 -07:00
sound
Merge tag 'sound-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2021-07-23 09:58:23 -07:00
tools
Merge tag 'perf-tools-fixes-for-v5.14-2021-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
2021-08-01 12:25:30 -07:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
KVM: add missing compat KVM_CLEAR_DIRTY_LOG
2021-07-27 16:59:01 -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
remove the lightnvm subsystem
2021-08-14 15:54:09 -06:00
Makefile
Linux 5.14-rc4
2021-08-01 17:04:17 -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.
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