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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>
This commit is contained in:
SeongJae Park 2024-02-16 16:58:42 -08:00 committed by Andrew Morton
parent 2d89957c93
commit 7d8cebb963
1 changed files with 2 additions and 1 deletions
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Documentation/admin-guide/mm/damon/usage.rst
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@ -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.