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Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file

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The example usage of DAMOS filter sysfs files, specifically the part of
'matching' file writing for memcg type filter, is wrong.  The intention is
to exclude pages of a memcg that already getting enough care from a given
scheme, but the example is setting the filter to apply the scheme to only
the pages of the memcg.  Fix it.

Link: https://lkml.kernel.org/r/20240503180318.72798-7-sj@kernel.org
Fixes: 9b7f9322a5 ("Docs/admin-guide/mm/damon/usage: document DAMOS filters of sysfs")
Closes: https://lore.kernel.org/r/20240317191358.97578-1-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>	[6.3.x]
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2024-05-03 11:03:14 -07:00 committed by Andrew Morton
parent 5965d5615b
commit da2a061888
1 changed files with 1 additions and 1 deletions
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Documentation/admin-guide/mm/damon/usage.rst
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@ -434,7 +434,7 @@ pages of all memory cgroups except ``/having_care_already``.::
# # further filter out all cgroups except one at '/having_care_already'
echo memcg > 1/type
echo /having_care_already > 1/memcg_path
echo N > 1/matching
echo Y > 1/matching
Note that ``anon`` and ``memcg`` filters are currently supported only when
``paddr`` :ref:`implementation <sysfs_context>` is being used.