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Previously, data blocks that perfectly fit the data ring buffer would get wrapped around to the beginning for no reason since the calculated offset of the next data block would belong to the next wrap. Since this offset is not actually part of the data block, but rather the offset of where the next data block is going to start, there is no reason to include it when deciding whether the current block fits the buffer. Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru> Reviewed-by: Petr Mladek <pmladek@suse.com> Tested-by: Petr Mladek <pmladek@suse.com> Reviewed-by: John Ogness <john.ogness@linutronix.de> Tested-by: John Ogness <john.ogness@linutronix.de> Link: https://patch.msgid.link/20250905144152.9137-2-d-tatianin@yandex-team.ru [pmladek@suse.com: Updated indentation.] Signed-off-by: Petr Mladek <pmladek@suse.com>
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.