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30baaeb685
Create a converter for the pipe-max-size proc_handler using the SYSCTL_UINT_CONV_CUSTOM. Move SYSCTL_CONV_IDENTITY macro to the sysctl header to make it available for pipe size validation. Keep returning -EINVAL when (val == 0) by using a range checking converter and setting the minimal valid value (extern1) to SYSCTL_ONE. Keep round_pipe_size by passing it as the operation for SYSCTL_USER_TO_KERN_INT_CONV. Signed-off-by: Joel Granados <joel.granados@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.