Eric W. Biederman 32342701b4 ucounts: Use atomic_long_sub_return for clarity
Decrement ucounts using atomic_long_sub_return to make it
clear the point is for the ucount to decrease.

Not a big deal but it should make it easier to catch bugs.

Suggested-by: Yu Zhao <yuzhao@google.com>
Link: https://lkml.kernel.org/r/87k0iaqkqj.fsf_-_@disp2133
Tested-by: Yu Zhao <yuzhao@google.com>
Reviewed-by: Alexey Gladkov <legion@kernel.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-10-20 10:45:34 -05:00
2021-08-27 16:08:29 -07:00
2021-05-08 10:00:11 -07:00
2021-07-16 15:49:31 +08:00
2021-08-21 11:04:26 -07:00
2021-08-07 10:03:02 -07:00
2021-08-20 12:31:10 -07:00
2021-06-28 14:01:03 -07:00
2021-08-29 15:04:50 -07:00

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.
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