From: Zenghui Yu Date: Wed, 20 May 2026 01:21:01 +0000 (-0700) Subject: Docs/{ABI,admin-guide}/damon: fix various typoes X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12e4d4bb6e5a4845f0c22e5d8820fdc6244653a4;p=thirdparty%2Flinux.git Docs/{ABI,admin-guide}/damon: fix various typoes ``damon_target_idx`` was wrongly written as ``target_idx`` in the docs. Fix it all over the place, as well as the wrong directory count, grammar, etc. Link: https://lore.kernel.org/20260520012104.93602-4-sj@kernel.org Signed-off-by: SeongJae Park Signed-off-by: Zenghui Yu Reviewed-by: SeongJae Park Cc: David Hildenbrand Cc: Jonathan Corbet Cc: Liam R. Howlett Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mike Rapoport (Microsoft) Cc: niecheng Cc: Sakurai Shun Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon index ee29d4e204ff..b73e6bc28ea5 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -452,7 +452,7 @@ Description: If 'hugepage_size' is written to the 'type' file, writing to or reading from this file sets or gets the maximum size of the hugepage for the filter. -What: /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes//core_filters//target_idx +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes//core_filters//damon_target_idx Date: Feb 2025 Contact: SeongJae Park Description: If 'target' is written to the 'type' file, writing to or diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index 0d6a27dc97b0..d46875e603d8 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -97,7 +97,7 @@ comma (","). │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value,nid,path │ │ │ │ │ │ │ :ref:`watermarks `/metric,interval_us,high,mid,low │ │ │ │ │ │ │ :ref:`{core_,ops_,}filters `/nr_filters - │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max + │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,damon_target_idx,min,max │ │ │ │ │ │ │ :ref:`dests `/nr_dests │ │ │ │ │ │ │ │ 0/id,weight │ │ │ │ │ │ │ :ref:`stats `/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots,max_nr_snapshots @@ -374,7 +374,7 @@ to ``N-1``. Each directory represents each DAMON-based operation scheme. schemes// ------------ -In each scheme directory, eight directories (``access_pattern``, ``quotas``, +In each scheme directory, nine directories (``access_pattern``, ``quotas``, ``watermarks``, ``core_filters``, ``ops_filters``, ``filters``, ``dests``, ``stats``, and ``tried_regions``) and three files (``action``, ``target_nid`` and ``apply_interval``) exist. @@ -492,7 +492,7 @@ given DAMON-based operation scheme. Under the watermarks directory, five files (``metric``, ``interval_us``, ``high``, ``mid``, and ``low``) for setting the metric, the time interval between check of the metric, and the three watermarks exist. You can set and -get the five values by writing to the files, respectively. +get the five values by writing to and reading from the files, respectively. Keywords and meanings of those that can be written to the ``metric`` file are as below. @@ -500,7 +500,7 @@ as below. - none: Ignore the watermarks - free_mem_rate: System's free memory rate (per thousand) -The ``interval`` should written in microseconds unit. +The ``interval_us`` should be written in microseconds unit. .. _sysfs_filters: @@ -528,9 +528,9 @@ in the numeric order. 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 the type of the filter. -Refer to :ref:`the design doc ` for available type -names, their meaning and on what layer those are handled. +and ``damon_target_idx``. To ``type`` file, you can write the type of the +filter. Refer to :ref:`the design doc ` for +available type names, their meaning and on what layer those are handled. For ``memcg`` type, you can specify the memory cgroup of the interest by writing the path of the memory cgroup from the cgroups mount point to @@ -540,7 +540,7 @@ files, respectively. For ``hugepage_size`` type, you can specify the minimum and maximum size of the range (closed interval) to ``min`` and ``max`` files, respectively. For ``target`` type, you can specify the index of the target between the list of the DAMON context's monitoring targets list to -``target_idx`` file. +``damon_target_idx`` file. You can write ``Y`` or ``N`` to ``matching`` file to specify whether the filter is for memory that matches the ``type``. You can write ``Y`` or ``N`` to @@ -731,7 +731,7 @@ show results using tracepoint supporting tools like ``perf``. For example:: Each line of the perf script output represents each monitoring region. The first five fields are as usual other tracepoint outputs. The sixth field -(``target_id=X``) shows the ide of the monitoring target of the region. The +(``target_id=X``) shows the id of the monitoring target of the region. The seventh field (``nr_regions=X``) shows the total number of monitoring regions for the target. The eighth field (``X-Y:``) shows the start (``X``) and end (``Y``) addresses of the region in bytes. The ninth field (``X``) shows the