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68c7c38671
The passive sockets never got proper memcg accounting: the msk
socket is associated with the memcg at accept time, but the
passive subflows never got it right.
At accept time, traverse the subflows list and associate each of them
with the msk memcg, and try to do the same at join completion time, if
the msk has been already accepted.
Fixes: cf7da0d66c ("mptcp: Create SUBFLOW socket for incoming connections")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/298
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/597
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20251121-net-next-mptcp-memcg-backlog-imp-v1-4-1f34b6c1e0b1@kernel.org
Signed-off-by: Jakub Kicinski <kuba@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 reStructuredText 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.