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78049e94a1
In the DAMON, the minimum wait time of the schemes decides whether the kernel wakes up 'kdamon_fn()'. But since the minimum wait time is initialized to zero, there are corner cases against the original objective. For example, if we have several schemes for one target, and if the wait time of the first scheme is zero, the minimum wait time will set zero, which means 'kdamond_fn()' should wake up to apply this scheme. However, in the following scheme, wait time can be set to non-zero. Thus, the mininum wait time will be set to non-zero, which can cause sleeping this interval for 'kdamon_fn()' due to one deactivated last scheme. This commit prevents making DAMON monitoring inactive state due to other deactivated schemes. Link: https://lkml.kernel.org/r/20220330105302.32114-1-tome01@ajou.ac.kr Signed-off-by: Jonghyeon Kim <tome01@ajou.ac.kr> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@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.