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Jesper Dangaard says: ==================== page_pool: followup changes to restore tracepoint features This patchset is a followup to Jonathan patch, that do not release pool until inflight == 0. That changed page_pool to be responsible for its own delayed destruction instead of relying on xdp memory model. As the page_pool maintainer, I'm promoting the use of tracepoint to troubleshoot and help driver developers verify correctness when converting at driver to use page_pool. The role of xdp:mem_disconnect have changed, which broke my bpftrace tools for shutdown verification. With these changes, the same capabilities are regained. ==================== 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.