[PATCH 2/3] docs/mm/damon/design: difference between watermarks and nr_snapshots
Liew Rui Yan <[email protected]>
| Newsgroups | dev.linux.lists.damon,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
Explain the difference between nr_snapshots reaches max_nr_snapshots and watermarks. Signed-off-by: Liew Rui Yan <[email protected]> --- Documentation/mm/damon/design.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index 939298f2a9b9..1fcf0b8c044b 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -872,7 +872,8 @@ the action to the region will fail. Unlike normal stats, ``max_nr_snapshots`` is set by users. If it is set as non-zero and ``nr_snapshots`` be same to or greater than ``nr_snapshots``, the -scheme is deactivated. +scheme is deactivated. Note that, unlike watermarks, even if a scheme's +``nr_snapshots`` reaches ``max_nr_snapshots``, monitoring will not stop. To know how user-space can read the stats via :ref:`DAMON sysfs interface <sysfs_interface>`, refer to :ref:s`stats <sysfs_stats>` part of the -- 2.55.0