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ea33537d82
If the application can not drain fast enough a TCP socket queue, tcp_rcv_space_adjust() can overestimate tp->rcvq_space.space. Then sk->sk_rcvbuf can grow and hit tcp_rmem[2] for no good reason. Fix this by taking into acount the number of available bytes. Keeping sk->sk_rcvbuf at the right size allows better cache efficiency. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Wei Wang <weiwan@google.com> Link: https://patch.msgid.link/20250513193919.1089692-5-edumazet@google.com 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.