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5668f73f09
Replace the offset-based approach for tracking progress through a bucket in the UDP table with one based on socket cookies. Remember the cookies of unprocessed sockets from the last batch and use this list to pick up where we left off or, in the case that the next socket disappears between reads, find the first socket after that point that still exists in the bucket and resume from there. This approach guarantees that all sockets that existed when iteration began and continue to exist throughout will be visited exactly once. Sockets that are added to the table during iteration may or may not be seen, but if they are they will be seen exactly once. Signed-off-by: Jordan Rife <jordan@jrife.io> Signed-off-by: Martin KaFai Lau <martin.lau@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.