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There are two resources associated with shared buffer size: cap_total_buffer_size, and cap_guaranteed_shared_buffer. So far, mlxsw has been using the former as a limit to determine how large a pool size is allowed to be. However, the total size also includes headrooms and reserved space, which really cannot be used for shared buffer pools. Therefore convert mlxsw to use the latter resource as a limit. Adjust hard-coded pool sizes to be the guaranteed size minus 256000 bytes for CPU port pool. On Spectrum-1 that actually leads to an increase. A follow-up patch will have this size calculated automatically. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.