The patch titled
Subject: Docs/admin-guide/mm/damon/usage: document hugepage_size filter type
has been added to the -mm mm-unstable branch. Its filename is
docs-admin-guide-mm-damon-usage-document-hugepage_size-filter-type.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/docs-admin-guide-mm-damon-usage-document-hugepage_size-filter-type.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Usama Arif <usamaarif642@xxxxxxxxx>
Subject: Docs/admin-guide/mm/damon/usage: document hugepage_size filter type
Date: Tue, 11 Feb 2025 12:43:43 +0000
This includes both the 'hugepage_size' filter type and the min/max files
used to decide range of sizes to filter on.
Link: https://lkml.kernel.org/r/20250211124437.278873-5-usamaarif642@xxxxxxxxx
Signed-off-by: Usama Arif <usamaarif642@xxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/admin-guide/mm/damon/usage.rst | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
--- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-document-hugepage_size-filter-type
+++ a/Documentation/admin-guide/mm/damon/usage.rst
@@ -83,7 +83,7 @@ comma (",").
â?? â?? â?? â?? â?? â?? â?? â?? â?? 0/target_metric,target_value,current_value
â?? â?? â?? â?? â?? â?? â?? :ref:`watermarks <sysfs_watermarks>`/metric,interval_us,high,mid,low
â?? â?? â?? â?? â?? â?? â?? :ref:`filters <sysfs_filters>`/nr_filters
- â?? â?? â?? â?? â?? â?? â?? â?? 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx
+ â?? â?? â?? â?? â?? â?? â?? â?? 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max
â?? â?? â?? â?? â?? â?? â?? :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds
â?? â?? â?? â?? â?? â?? â?? :ref:`tried_regions <sysfs_schemes_tried_regions>`/total_bytes
â?? â?? â?? â?? â?? â?? â?? â?? 0/start,end,nr_accesses,age,sz_filter_passed
@@ -406,13 +406,14 @@ number (``N``) to the file creates the n
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
_
Patches currently in -mm which might be from usamaarif642@xxxxxxxxx are
mm-damon-ops-have-damon_get_folio-return-folio-even-for-tail-pages.patch
mm-damon-introduce-damos-filter-type-hugepage_size.patch
mm-damon-sysfs-schemes-add-files-for-setting-damos_filter-sz_range.patch
docs-abi-damon-document-damos-sysfs-files-to-set-the-min-max-folio_size.patch
docs-admin-guide-mm-damon-usage-document-hugepage_size-filter-type.patch
