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Filename Latest commit message Latest commit date
Michal Hocko 6ea183d60c mm: handle lru_add_drain_all for UP properly 
Since for_each_cpu(cpu, mask) added by commit 2d3854a37e
("cpumask: introduce new API, without changing anything") did not
evaluate the mask argument if NR_CPUS == 1 due to CONFIG_SMP=n,
lru_add_drain_all() is hitting WARN_ON() at __flush_work() added by
commit 4d43d395fe ("workqueue: Try to catch flush_work() without
INIT_WORK().") by unconditionally calling flush_work() [1].

Workaround this issue by using CONFIG_SMP=n specific lru_add_drain_all
implementation.  There is no real need to defer the implementation to
the workqueue as the draining is going to happen on the local cpu.  So
alias lru_add_drain_all to lru_add_drain which does all the necessary
work.

[akpm@linux-foundation.org: fix various build warnings]
[1] https://lkml.kernel.org/r/18a30387-6aa5-6123-e67c-57579ecc3f38@roeck-us.net
Link: http://lkml.kernel.org/r/20190213124334.GH4525@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Debugged-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-02-21 09:01:00 -08:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-19 16:13:19 -08:00
block for-linus-20190215 2019-02-15 09:12:28 -08:00
certs
crypto net: crypto set sk to NULL when af_alg_release. 2019-02-18 12:01:24 -08:00
Documentation doc: Mention MSG_ZEROCOPY implementation for UDP 2019-02-17 15:30:02 -08:00
drivers Pin control fixes for the v5.0 series: 2019-02-20 09:39:53 -08:00
firmware
fs proc, oom: do not report alien mms when setting oom_score_adj 2019-02-21 09:01:00 -08:00
include Merge branch 'fixes-v5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-02-20 09:09:33 -08:00
init revert "initramfs: cleanup incomplete rootfs" 2019-02-21 09:00:59 -08:00
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-19 16:13:19 -08:00
lib Merge branch 'fixes-v5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-02-20 09:09:33 -08:00
LICENSES
mm mm: handle lru_add_drain_all for UP properly 2019-02-21 09:01:00 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-19 16:13:19 -08:00
samples
scripts
security keys: Timestamp new keys 2019-02-15 14:12:09 -08:00
sound sound fixes for 5.0 2019-02-20 09:42:52 -08:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 08:00:11 -08:00
usr
virt KVM/ARM fixes for 5.0: 2019-02-13 19:39:24 +01:00
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Makefile Linux 5.0-rc7 2019-02-17 18:46:40 -08:00
README

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.