linux-kernel - Re: [PATCH 8/8] Docs/admin-guide/mm/damon/usage: update for {core,ops}

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Message-Id: <20250305222355.58522-1-sj@kernel.org>
Date: Wed,  5 Mar 2025 14:23:55 -0800
From: SeongJae Park <sj@...nel.org>
To: SeongJae Park <sj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 8/8] Docs/admin-guide/mm/damon/usage: update for {core,ops}_filters directories

On Thu, 20 Feb 2025 11:46:46 -0800 SeongJae Park <sj@...nel.org> wrote:

> Document {core,ops}_filters directories on usage document.
> 
> Signed-off-by: SeongJae Park <sj@...nel.org>
> ---
>  Documentation/admin-guide/mm/damon/usage.rst | 31 ++++++++++++++------
>  1 file changed, 22 insertions(+), 9 deletions(-)
> 
> diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
> index dc37bba96273..4b25c25d4f4f 100644
> --- a/Documentation/admin-guide/mm/damon/usage.rst
> +++ b/Documentation/admin-guide/mm/damon/usage.rst
> @@ -82,7 +82,7 @@ comma (",").
>      │ │ │ │ │ │ │ │ :ref:`goals <sysfs_schemes_quota_goals>`/nr_goals
>      │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value
>      │ │ │ │ │ │ │ :ref:`watermarks <sysfs_watermarks>`/metric,interval_us,high,mid,low
> -    │ │ │ │ │ │ │ :ref:`filters <sysfs_filters>`/nr_filters
> +    │ │ │ │ │ │ │ :ref:`{core_,ops_,}filters <sysfs_filters>`/nr_filters
>      │ │ │ │ │ │ │ │ 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
> @@ -282,9 +282,10 @@ to ``N-1``.  Each directory represents each DAMON-based operation scheme.
>  schemes/<N>/
>  ------------
>  
> -In each scheme directory, five directories (``access_pattern``, ``quotas``,
> -``watermarks``, ``filters``, ``stats``, and ``tried_regions``) and three files
> -(``action``, ``target_nid`` and ``apply_interval``) exist.
> +In each scheme directory, seven directories (``access_pattern``, ``quotas``,
> +``watermarks``, ``core_filters``, ``ops_filters``, ``filters``, ``stats``, and
> +``tried_regions``) and three files (``action``, ``target_nid`` and
> +``apply_interval``) exist.
>  
>  The ``action`` file is for setting and getting the scheme's :ref:`action
>  <damon_design_damos_action>`.  The keywords that can be written to and read
> @@ -395,13 +396,24 @@ The ``interval`` should written in microseconds unit.
>  
>  .. _sysfs_filters:
>  
> -schemes/<N>/filters/
> ---------------------
> +schemes/<N>/{core_,ops_,}filters/
> +-------------------------------

Just found this causes below document build warning and error during 'make
htmldocs':

    Documentation/admin-guide/mm/damon/usage.rst:425: WARNING: Title underline too short.
    Documentation/admin-guide/mm/damon/usage.rst:425: ERROR: Unknown target name: "core".

I will fix this in the next spin as below.

    -schemes/<N>/{core_,ops_,}filters/
    --------------------------------
    +schemes/<N>/{core\_,ops\_,}filters/
    +-----------------------------------


Thanks,
SJ

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