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Jason Wang f9e06c45cb tuntap: free XDP dropped packets in a batch 
Thanks to the batched XDP buffs through msg_control. Instead of
calling put_page() for each page which involves a atomic operation,
let's batch them by record the last page that needs to be freed and
its refcnt count and free them in a batch.

Testpmd(virtio-user + vhost_net) + XDP_DROP shows 3.8% improvement.

Before: 4.71Mpps
After : 4.89Mpps

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-17 12:00:42 -08:00
arch
net: remove VLAN_TAG_PRESENT
2018-11-16 19:25:29 -08:00
block
Merge tag 'for-linus-20181109' of git://git.kernel.dk/linux-block
2018-11-09 16:31:51 -06:00
certs
export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()
2018-08-22 23:21:44 +09:00
crypto
KEYS: asym_tpm: Add support for the sign operation [ver #2]
2018-10-26 09:30:47 +01:00
Documentation
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-11-11 17:57:54 -08:00
drivers
tuntap: free XDP dropped packets in a batch
2018-11-17 12:00:42 -08:00
firmware
kbuild: remove all dummy assignments to obj-
2017-11-18 11:46:06 +09:00
fs
Merge tag 'for-4.20-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2018-11-11 16:54:38 -06:00
include
net: sched: gred: allow manipulating per-DP RED flags
2018-11-16 23:08:51 -08:00
init
memblock: stop using implicit alignment to SMP_CACHE_BYTES
2018-10-31 08:54:16 -07:00
ipc
ipc: IPCMNI limit check for semmni
2018-10-31 08:54:14 -07:00
kernel
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-11-11 16:37:41 -06:00
lib
net: remove VLAN_TAG_PRESENT
2018-11-16 19:25:29 -08:00
LICENSES
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
mm
memory_hotplug: cond_resched in __remove_pages
2018-11-03 10:09:38 -07:00
net
net: sched: gred: allow manipulating per-DP RED flags
2018-11-16 23:08:51 -08:00
samples
Merge tag 'vfio-v4.20-rc1.v2' of git://github.com/awilliam/linux-vfio
2018-10-31 11:01:38 -07:00
scripts
builddeb: Fix inclusion of dtbs in debian package
2018-11-11 23:04:53 +09:00
security
Merge tag 'apparmor-pr-2018-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
2018-11-02 10:04:26 -07:00
sound
ALSA: hda - Fix incorrect clearance of thinkpad_acpi hooks
2018-11-06 16:33:53 +01:00
tools
selftests: add explicit test for multiple concurrent GRO sockets
2018-11-16 23:03:20 -08:00
usr
initramfs: move gen_initramfs_list.sh from scripts/ to usr/
2018-08-22 23:21:44 +09:00
virt
Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks"
2018-10-26 16:25:19 -07:00
.clang-format
page cache: Convert find_get_pages_contig to XArray
2018-10-21 10:46:34 -04:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
…
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'kbuild-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-04-15 17:21:30 -07:00
.mailmap
mailmap: Update email for Punit Agrawal
2018-11-05 10:02:11 +00:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
9p: remove Ron Minnich from MAINTAINERS
2018-08-17 16:20:26 -07:00
Kbuild
Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2017-11-17 17:45:29 -08:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
lib: introduce initial implementation of object aggregation manager
2018-11-15 14:43:43 -08:00
Makefile
Linux 4.20-rc2
2018-11-11 17:12:31 -06:00
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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