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From: SJ Park <sj@kernel.org>
Cc: SJ Park <sj@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Randy Dunlap <rdunlap@infradead.org>,
	Shuah Khan <skhan@linuxfoundation.org>,
	damon@lists.linux.dev, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [RFC PATCH 17/27] Docs/mm/damon/design: update for report_made probe filter type
Date: Sun, 15 Nov 2026 12:28:35 -0800	[thread overview]
Message-ID: <20261115202849.99134-18-sj@kernel.org> (raw)
In-Reply-To: <20261115202849.99134-1-sj@kernel.org>

Update DAMON design document for the newly added data attribute report
existence type probe filter.

Signed-off-by: SJ Park <sj@kernel.org>
---
 Documentation/mm/damon/design.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index e0eb53d7694f7..68cd80e2788cd 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -303,6 +303,8 @@ filter types.  Currently below filter types are supported.
 - ``hugepage_size``: Matches if the page for the memory is a part of a hugepage
   of a given size range.
 - ``active``: Same to that for DAMOS filters.
+- ``report_made``: Matches if a :ref:`report <damon_design_attr_reporting>` for
+  the memory is made in last sampling interval.
 
 If such probes are registered, DAMON executes the probes for each region's
 sampling memory when it does the access :ref:`sampling
@@ -382,6 +384,10 @@ depending on the type of the report.
 
 For now, no report type is supported.
 
+The data attribute probe supports the reports.  The probes can be configured to
+hit for a given memory region if a specific type of valid reports that are
+associated with the probing memory exist in the reports queue.
+
 Dynamic Target Space Updates Handling
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-- 
2.47.3

  parent reply	other threads:[~2026-11-15 20:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-15 20:28 [RFC PATCH 00/27] mm/damon: let users report their data attribute findings SJ Park
2026-11-15 20:28 ` [RFC PATCH 09/27] Docs/mm/damon/design: update for report system SJ Park
2026-11-15 20:28 ` [RFC PATCH 10/27] Docs/admin-guide/mm/damon/usage: update for report producer sysfs SJ Park
2026-11-15 20:28 ` SJ Park [this message]
2026-11-15 20:28 ` [RFC PATCH 18/27] Docs/admin-guide/mm/damon/usage: update for REPORT_MADE probe filter SJ Park
2026-11-15 20:28 ` [RFC PATCH 25/27] Docs/mm/damon/design: update for user report support SJ Park
2026-11-15 20:28 ` [RFC PATCH 26/27] Docs/admin-guide/mm/damon/usage: update for user_report " SJ Park
2026-11-15 20:55 ` [RFC PATCH 00/27] mm/damon: let users report their data attribute findings SJ Park

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