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Filename Latest commit message Latest commit date
Shakeel Butt 92215c1f24 cgroup: disable controllers at parse time
[ Upstream commit 45e1ba40837ac2f6f4d4716bddb8d44bd7e4a251 ]

This patch effectively reverts the commit a3e72739b7 ("cgroup: fix
too early usage of static_branch_disable()"). The commit 6041186a32
("init: initialize jump labels before command line option parsing") has
moved the jump_label_init() before parse_args() which has made the
commit a3e72739b7 unnecessary. On the other hand there are
consequences of disabling the controllers later as there are subsystems
doing the controller checks for different decisions. One such incident
is reported [1] regarding the memory controller and its impact on memory
reclaim code.

[1] https://lore.kernel.org/linux-mm/921e53f3-4b13-aab8-4a9e-e83ff15371e4@nec.com

Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reported-by: NOMURA JUNICHI(野村 淳一) <junichi.nomura@nec.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Jun'ichi Nomura <junichi.nomura@nec.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-06-16 11:59:35 +02:00
arch x86/kvm: Disable all PV features on crash 2021-06-10 13:37:16 +02:00
block blk-mq: Swap two calls in blk_mq_exit_queue() 2021-05-19 10:08:30 +02:00
certs certs: Fix blacklist flag type confusion 2021-03-04 10:26:29 +01:00
crypto crypto: rng - fix crypto_rng_reset() refcounting when !CRYPTO_STATS 2021-05-11 14:04:15 +02:00
Documentation XArray: add xas_split 2021-06-10 13:37:14 +02:00
drivers net: mdiobus: get rid of a BUG_ON() 2021-06-16 11:59:34 +02:00
fs proc: Track /proc/$pid/attr/ opener mm_struct 2021-06-16 11:59:32 +02:00
include XArray: add xas_split 2021-06-10 13:37:14 +02:00
init pid: take a reference when initializing cad_pid 2021-06-10 13:37:11 +02:00
ipc
kernel cgroup: disable controllers at parse time 2021-06-16 11:59:35 +02:00
lib lib/lz4: explicitly support in-place decompression 2021-06-10 13:37:16 +02:00
LICENSES
mm mm/filemap: fix storing to a THP shadow entry 2021-06-10 13:37:15 +02:00
net netlink: disable IRQs for netlink_lock_table() 2021-06-16 11:59:34 +02:00
samples samples: vfio-mdev: fix error handing in mdpy_fb_probe() 2021-06-10 13:37:03 +02:00
scripts scripts: switch explicitly to Python 3 2021-05-22 11:38:30 +02:00
security security: commoncap: fix -Wstringop-overread warning 2021-05-11 14:04:16 +02:00
sound ASoC: sti-sas: add missing MODULE_DEVICE_TABLE 2021-06-16 11:59:33 +02:00
tools perf jevents: Fix getting maximum number of fds 2021-06-03 08:59:08 +02:00
usr
virt KVM: arm64: Initialize VCPU mdcr_el2 before loading it 2021-05-22 11:38:30 +02:00
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Makefile Linux 5.4.125 2021-06-10 13:37:17 +02:00
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.