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[ Upstream commit b4bd6b4bac8edd61eb8f7b836969d12c0c6af165 ] This declutters the code by reducing the number of #ifdefs and makes the watch_queue checks simpler. This has no runtime effect; the machine code is identical. Signed-off-by: Max Kellermann <max.kellermann@ionos.com> Message-Id: <20230921075755.1378787-2-max.kellermann@ionos.com> Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Christian Brauner <brauner@kernel.org> Stable-dep-of: e95aada4cb93 ("pipe: wakeup wr_wait after setting max_usage") 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.