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Using tried_regions/total_bytes file, users can efficiently retrieve the total size of memory regions having specific access pattern. However, DAMON sysfs interface in kernel still populates all the infomration on the tried_regions subdirectories. That means the kernel part overhead for the construction of tried regions directories still exists. To remove the overhead, implement yet another command input for 'state' DAMON sysfs file. Writing the input to the file makes DAMON sysfs interface to update only the total_bytes file. Link: https://lkml.kernel.org/r/20230802213222.109841-3-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Shuah Khan <shuah@kernel.org> 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 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.