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| author |   Usama Arif <usamaarif642@gmail.com> | 2025-02-11 12:43:43 +0000 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2025-03-16 22:06:13 -0700 |
| commit | 4ddb20926842ff1e892bb8dce64ab93058102601 (patch) | |
| tree | 9c937b6d7a23d3565d88ba011b01b1c6c223dead /Documentation/admin-guide/mm | |
| parent | Docs/ABI/damon: document DAMOS sysfs files to set the min/max folio_size (diff) | |
| download | wireguard-linux-4ddb20926842ff1e892bb8dce64ab93058102601.tar.xz wireguard-linux-4ddb20926842ff1e892bb8dce64ab93058102601.zip | |
Docs/admin-guide/mm/damon/usage: document hugepage_size filter type
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@gmail.com
Signed-off-by: Usama Arif <usamaarif642@gmail.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/admin-guide/mm')
| -rw-r--r-- | Documentation/admin-guide/mm/damon/usage.rst | 17 |
1 files changed, 9 insertions, 8 deletions
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 |