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Filename Latest commit message Latest commit date
Sven Eckelmann 374c55d416 batman-adv: Consider fragmentation for needed_headroom
commit 4ca23e2c2074465bff55ea14221175fecdf63c5f upstream.

If a batman-adv packets has to be fragmented, then the original batman-adv
packet header is not stripped away. Instead, only a new header is added in
front of the packet after it was split.

This size must be considered to avoid cost intensive reallocations during
the transmission through the various device layers.

Fixes: 7bca68c784 ("batman-adv: Add lower layer needed_(head|tail)room to own ones")
Reported-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 10:47:22 +01:00
arch s390/kexec: fix memory leak of ipl report buffer 2021-11-26 10:47:21 +01:00
block
certs
crypto
Documentation
drivers Revert "net: mvpp2: disable force link UP during port init procedure" 2021-11-26 10:47:22 +01:00
fs btrfs: fix memory ordering between normal and ordered work functions 2021-11-26 10:47:21 +01:00
include net: virtio_net_hdr_to_skb: count transport header in UFO 2021-11-26 10:47:19 +01:00
init
ipc ipc: WARN if trying to remove ipc object which is absent 2021-11-26 10:47:21 +01:00
kernel perf/core: Avoid put_page() when GUP fails 2021-11-26 10:47:22 +01:00
lib
LICENSES
mm mm: kmemleak: slob: respect SLAB_NOLEAKTRACE flag 2021-11-26 10:47:21 +01:00
net batman-adv: Consider fragmentation for needed_headroom 2021-11-26 10:47:22 +01:00
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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.