Messages in this thread Patch in this message | | | From | SeongJae Park <> | Subject | [PATCH 1/2] Docs/admin-guide/mm/damon/usage: describe the rules of sysfs region directories | Date | Mon, 24 Oct 2022 17:46:18 +0000 |
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Target region directories of DAMON sysfs interface should contain no overlap and sorted by the address, but not clearly documented. Actually, a user had an issue[1] due to the poor documentation. Add clear description of it on the usage document.
[1] https://lore.kernel.org/damon/CAEZ6=UNUcH2BvJj++OrT=XQLdkidU79wmCO=tantSOB36pPNTg@mail.gmail.com/
Reported-by: Vinicius Petrucci <vpetrucci@gmail.com> Signed-off-by: SeongJae Park <sj@kernel.org> --- Documentation/admin-guide/mm/damon/usage.rst | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index b47b0cbbd491..89d9a4f75a29 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -235,6 +235,9 @@ In each region directory, you will find two files (``start`` and ``end``). You can set and get the start and end addresses of the initial monitoring target region by writing to and reading from the files, respectively. +Each region should not overlap with others. ``end`` of directory ``N`` should +be equal or smaller than ``start`` of directory ``N+1``. + contexts/<N>/schemes/ --------------------- -- 2.25.1
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