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42b7491af1
Introduce a new DAMON core API function, damon_call(). It aims to replace some damon_callback usages that access damon_ctx of ongoing kdamond with additional synchronizations. It receives a function pointer, let the parallel kdamond invokes the function, and returns after the invocation is finished, or canceled due to some races. kdamond invokes the function inside the main loop after sampling is done. If it is deactivated by DAMOS watermarks or already out of the main loop, mark the request as canceled so that damon_call() can wakeup and return. Link: https://lkml.kernel.org/r/20250103174400.54890-4-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.