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[ Upstream commit e4650d7ae4252f67e997a632adfae0dd74d3a99a ] SFQ has an assumption on dealing with packets smaller than 64KB. Even before BIG TCP, TCA_STAB can provide arbitrary big values in qdisc_pkt_len(skb) It is time to switch (struct sfq_slot)->allot to a 32bit field. sizeof(struct sfq_slot) is now 64 bytes, giving better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://patch.msgid.link/20241008111603.653140-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Stable-dep-of: 10685681bafc ("net_sched: sch_sfq: don't allow 1 packet limit") Signed-off-by: Sasha Levin <sashal@kernel.org>
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.