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1434a65ea625c51317ccdf06dabf4bd27d20fa10
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Chengguang Xu 1434a65ea6 ovl: drop negative dentry in upper layer 
Negative dentries of upper layer are useless after construction of
overlayfs' own dentry and may keep in the memory long time even after
unmount of overlayfs instance. This patch tries to drop unnecessary
negative dentry of upper layer to effectively reclaim memory.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2020-06-03 09:45:22 +02:00
arch
Merge tag 'x86-urgent-2020-04-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-04-19 11:58:32 -07:00
block
blk-wbt: Use tracepoint_string() for wbt_step tracepoint string literals
2020-04-17 08:21:44 -06:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2
2020-04-09 00:12:48 +09:00
Documentation
ovl: resolve more conflicting mount options
2020-05-13 11:11:24 +02:00
drivers
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-04-19 13:59:06 -07:00
fs
ovl: drop negative dentry in upper layer
2020-06-03 09:45:22 +02:00
include
ovl: skip overlayfs superblocks at global sync
2020-05-13 11:11:24 +02:00
init
Merge tag 'kbuild-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-04-11 09:46:12 -07:00
ipc
ipc/util.c: sysvipc_find_ipc() should increase position index
2020-04-10 15:36:22 -07:00
kernel
Merge tag 'timers-urgent-2020-04-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-04-19 11:46:21 -07:00
lib
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-04-16 14:52:29 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: Fix MREMAP_DONTUNMAP accounting on VMA merge
2020-04-19 14:07:10 -07:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-04-16 14:52:29 -07:00
samples
samples/hw_breakpoint: drop use of kallsyms_lookup_name()
2020-04-07 10:43:44 -07:00
scripts
Merge tag 'docs-fixes' of git://git.lwn.net/linux
2020-04-17 13:10:50 -07:00
security
ovl: call secutiry hook in ovl_real_ioctl()
2020-06-03 09:45:18 +02:00
sound
Merge tag 'sound-5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-04-17 09:48:50 -07:00
tools
Merge tag 'x86-urgent-2020-04-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-04-19 11:58:32 -07:00
usr
kbuild: fix comment about missing include guard detection
2020-04-11 12:09:48 +09:00
virt
KVM: Pass kvm_init()'s opaque param to additional arch funcs
2020-03-31 10:48:03 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2020-03-06 21:50:05 +01:00
.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: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
.mailmap
mailmap: Add Sedat Dilek (replacement for expired email address)
2020-04-11 09:28:34 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Hand MIPS over to Thomas
2020-02-24 22:43:18 -08:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2020-04-18 14:03:12 -07:00
Makefile
Linux 5.7-rc2
2020-04-19 14:35:30 -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.
Description
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