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David Sterba 5911c8fe05 btrfs: fiemap: preallocate ulists for btrfs_check_shared 
btrfs_check_shared looks up parents of a given extent and uses ulists
for that. These are allocated and freed repeatedly. Preallocation in the
caller will avoid the overhead and also allow us to use the GFP_KERNEL
as it is happens before the extent locks are taken.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2019-07-01 13:34:53 +02:00
arch
powerpc fixes for 5.2 #7
2019-06-30 11:20:52 +08:00
block
block, bfq: fix operator in BFQQ_TOTALLY_SEEKY
2019-06-25 11:38:08 -06:00
certs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
crypto
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
Documentation
dt-bindings: riscv: resolve 'make dt_binding_check' warnings
2019-06-26 10:28:53 -07:00
drivers
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-29 19:36:53 +08:00
fs
btrfs: fiemap: preallocate ulists for btrfs_check_shared
2019-07-01 13:34:53 +02:00
include
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-29 19:39:17 +08:00
init
initramfs: fix populate_initrd_image() section mismatch
2019-06-29 16:43:45 +08:00
ipc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
kernel
Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-30 11:19:17 +08:00
lib
XArray updates for 5.2-rc6
2019-06-29 17:14:57 +08:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm, swap: fix THP swap out
2019-06-29 16:43:45 +08:00
net
Two more NFS client fixes for Linux 5.2
2019-06-29 17:02:22 +08:00
samples
samples: make pidfd-metadata fail gracefully on older kernels
2019-06-24 15:55:50 +02:00
scripts
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
security
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
sound
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
tools
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-29 19:39:17 +08:00
usr
user/Makefile: Fix typo and capitalization in comment section
2018-12-11 00:18:03 +09:00
virt
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
.clang-format
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
.gitignore: exclude .get_maintainer.ignore and .gitattributes
2019-05-18 11:49:54 +09:00
.mailmap
MAINTAINERS: Update my email address
2019-06-18 14:37:27 +01:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Farewell Martin Schwidefsky
2019-05-31 10:14:11 +02:00
Kbuild
Kbuild updates for v5.1
2019-03-10 17:48:21 -07:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
MAINTAINERS: add CLANG/LLVM BUILD SUPPORT info
2019-06-29 16:43:45 +08:00
Makefile
Linux 5.2-rc7
2019-06-30 11:25:36 +08:00
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.
Description
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