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| author |   SeongJae Park <sj@kernel.org> | 2024-02-16 16:58:42 -0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2024-02-22 15:27:20 -0800 |
| commit | 7d8cebb9630af71f04cb27314a4effbc0f4f8648 (patch) | |
| tree | 6394f475adf487fb9fecdc531c7b3c241473e098 /Documentation/admin-guide/mm | |
| parent | Docs/mm/damon: move monitoring target regions setup detail from the usage to the design document (diff) | |
| download | wireguard-linux-7d8cebb9630af71f04cb27314a4effbc0f4f8648.tar.xz wireguard-linux-7d8cebb9630af71f04cb27314a4effbc0f4f8648.zip | |
Docs/admin-guide/mm/damon/usage: fix wrong quotas diabling condition
After the introduction of DAMOS quotas, DAMOS quotas is not disabled if
both size and time quotas are zero but the quota goal is set. The new
rule is also applied to DAMON sysfs interface, but the usage doc is not
updated. Update it.
Link: https://lkml.kernel.org/r/20240217005842.87348-6-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>
Diffstat (limited to 'Documentation/admin-guide/mm')
| -rw-r--r-- | Documentation/admin-guide/mm/damon/usage.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index ae5b986a5976..22254997723c 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -329,7 +329,8 @@ respectively. Then, DAMON tries to use only up to ``time quota`` milliseconds for applying the ``action`` to memory regions of the ``access_pattern``, and to apply the action to only up to ``bytes`` bytes of memory regions within the ``reset_interval_ms``. Setting both ``ms`` and ``bytes`` zero disables the -quota limits. +quota limits unless at least one :ref:`goal <sysfs_schemes_quota_goals>` is +set. Under ``weights`` directory, three files (``sz_permil``, ``nr_accesses_permil``, and ``age_permil``) exist. |