diff mbox series

[v5,4/4] Docs/admin-guide/mm/damon/usage: Document hugepage_size filter type

Message ID 20250211124437.278873-5-usamaarif642@gmail.com (mailing list archive)
State New
Headers show
Series mm/damon: add support for hugepage_size DAMOS filter | expand

Commit Message

Usama Arif Feb. 11, 2025, 12:43 p.m. UTC 
This includes both the 'hugepage_size' filter type and the min/max
files used to decide range of sizes to filter on.

Signed-off-by: Usama Arif <usamaarif642@gmail.com>
---
 Documentation/admin-guide/mm/damon/usage.rst | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

Comments

SeongJae Park Feb. 11, 2025, 6 p.m. UTC | #1 
On Tue, 11 Feb 2025 12:43:43 +0000 Usama Arif <usamaarif642@gmail.com> wrote:

> This includes both the 'hugepage_size' filter type and the min/max
> files used to decide range of sizes to filter on.
> 
> Signed-off-by: Usama Arif <usamaarif642@gmail.com>

Reviewed-by: SeongJae Park <sj@kernel.org>


Thanks,
SJ

[...]
diff mbox series

Patch

diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index 47a44bd348ab..51af66c208c5 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -83,7 +83,7 @@  comma (",").
     │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value
     │ │ │ │ │ │ │ :ref:`watermarks <sysfs_watermarks>`/metric,interval_us,high,mid,low
     │ │ │ │ │ │ │ :ref:`filters <sysfs_filters>`/nr_filters
-    │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx
+    │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max
     │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds
     │ │ │ │ │ │ │ :ref:`tried_regions <sysfs_schemes_tried_regions>`/total_bytes
     │ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age,sz_filter_passed
@@ -406,13 +406,14 @@  number (``N``) to the file creates the number of child directories named ``0``
 to ``N-1``.  Each directory represents each filter.  The filters are evaluated
 in the numeric order.
 
-Each filter directory contains seven files, namely ``type``, ``matching``,
-``allow``, ``memcg_path``, ``addr_start``, ``addr_end``, and ``target_idx``.
-To ``type`` file, you can write one of five special keywords: ``anon`` for
-anonymous pages, ``memcg`` for specific memory cgroup, ``young`` for young
-pages, ``addr`` for specific address range (an open-ended interval), or
-``target`` for specific DAMON monitoring target filtering.  Meaning of the
-types are same to the description on the :ref:`design doc
+Each filter directory contains nine files, namely ``type``, ``matching``,
+``allow``, ``memcg_path``, ``addr_start``, ``addr_end``, ``min``, ``max``
+and ``target_idx``.  To ``type`` file, you can write one of six special
+keywords: ``anon`` for anonymous pages, ``memcg`` for specific memory cgroup,
+``young`` for young pages, ``addr`` for specific address range (an open-ended
+interval), ``hugepage_size`` for large folios of a specific size range [``min``,
+``max``] or ``target`` for specific DAMON monitoring target filtering.  Meaning
+of the types are same to the description on the :ref:`design doc
 <damon_design_damos_filters>`.
 
 In case of the memory cgroup filtering, you can specify the memory cgroup of