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Petr Machata says: ==================== mlxsw: Use page pool for Rx buffers allocation Amit Cohen writes: After using NAPI to process events from hardware, the next step is to use page pool for Rx buffers allocation, which is also enhances performance. To simplify this change, first use page pool to allocate one continuous buffer for each packet, later memory consumption can be improved by using fragmented buffers. This set significantly enhances mlxsw driver performance, CPU can handle about 370% of the packets per second it previously handled. The next planned improvement is using XDP to optimize telemetry. Patch set overview: Patches #1-#2 are small preparations for page pool usage Patch #3 initializes page pool, but do not use it Patch #4 converts the driver to use page pool for buffers allocations Patch #5 is an optimization for buffer access Patch #6 cleans up an unused structure Patch #7 uses napi_consume_skb() as part of Tx completion ==================== Link: https://lore.kernel.org/r/cover.1718709196.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@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.