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832ccf6f80
The MM tracepoint for page free (called kmem:mm_page_free) doesn't provide the page pointer directly, instead it provides the PFN (Page Frame Number). This is annoying when writing a page_pool leak detector in BPF. This patch change page_pool tracepoints to also provide the PFN. The page pointer is still provided to allow other kinds of troubleshooting from BPF. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.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.