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From 63ba37eb4db10e131d52789d142a4f4bb782766f Mon Sep 17 00:00:00 2001
From: SeongJae Park <sj@kernel.org>
Date: Sun, 17 Mar 2024 12:14:07 -0700
Subject: [PATCH] Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS
filter matching sysfs file
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.
Fixes: 9b7f9322a530 ("Docs/admin-guide/mm/damon/usage: document DAMOS filters of sysfs")
Closes: https://lore.kernel.org/r/20240317191358.97578-1-sj@kernel.org
Cc: <stable@vger.kernel.org> # 6.3.x
Signed-off-by: SeongJae Park <sj@kernel.org>
---
Documentation/admin-guide/mm/damon/usage.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index 6fce035fdbf5..44ad9662c9b9 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -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.
--
2.39.2
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