The patch titled Subject: Docs/admin-guide/mm/damon/usage: link design doc for details of kdamond and context has been added to the -mm mm-unstable branch. Its filename is docs-admin-guide-mm-damon-usage-link-design-doc-for-details-of-kdamond-and-context.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-link-design-doc-for-details-of-kdamond-and-context.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: SeongJae Park <sj@xxxxxxxxxx> Subject: Docs/admin-guide/mm/damon/usage: link design doc for details of kdamond and context Date: Thu, 7 Sep 2023 02:29:25 +0000 The explanation of kdamond and context is duplicated in the design and the usage documents. Replace that in the usage with links to those in the design document. Link: https://lkml.kernel.org/r/20230907022929.91361-8-sj@xxxxxxxxxx Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/admin-guide/mm/damon/usage.rst | 19 ++++++++--------- Documentation/mm/damon/design.rst | 2 + 2 files changed, 11 insertions(+), 10 deletions(-) --- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-link-design-doc-for-details-of-kdamond-and-context +++ a/Documentation/admin-guide/mm/damon/usage.rst @@ -105,14 +105,12 @@ having the root permission could use thi kdamonds/ --------- -The monitoring-related information including request specifications and results -are called DAMON context. DAMON executes each context with a kernel thread -called kdamond, and multiple kdamonds could run in parallel. - Under the ``admin`` directory, one directory, ``kdamonds``, which has files for -controlling the kdamonds exist. In the beginning, this directory has only one -file, ``nr_kdamonds``. Writing a number (``N``) to the file creates the number -of child directories named ``0`` to ``N-1``. Each directory represents each +controlling the kdamonds (refer to +:ref:`design <damon_design_execution_model_and_data_structures>` for more +details) exists. In the beginning, this directory has only one file, +``nr_kdamonds``. Writing a number (``N``) to the file creates the number of +child directories named ``0`` to ``N-1``. Each directory represents each kdamond. kdamonds/<N>/ @@ -150,9 +148,10 @@ kdamonds/<N>/contexts/ In the beginning, this directory has only one file, ``nr_contexts``. Writing a number (``N``) to the file creates the number of child directories named as -``0`` to ``N-1``. Each directory represents each monitoring context. At the -moment, only one context per kdamond is supported, so only ``0`` or ``1`` can -be written to the file. +``0`` to ``N-1``. Each directory represents each monitoring context (refer to +:ref:`design <damon_design_execution_model_and_data_structures>` for more +details). At the moment, only one context per kdamond is supported, so only +``0`` or ``1`` can be written to the file. .. _sysfs_contexts: --- a/Documentation/mm/damon/design.rst~docs-admin-guide-mm-damon-usage-link-design-doc-for-details-of-kdamond-and-context +++ a/Documentation/mm/damon/design.rst @@ -478,6 +478,8 @@ more detail, please read the usage docum :doc:`/admin-guide/mm/damon/lru_sort`). +.. _damon_design_execution_model_and_data_structures: + Execution Model and Data Structures =================================== _ Patches currently in -mm which might be from sj@xxxxxxxxxx are docs-admin-guide-mm-damon-usage-fixup-missed-ref-keyword.patch docs-admin-guide-mm-damon-usage-place-debugfs-usage-at-the-bottom.patch docs-admin-guide-mm-damon-usage-move-debugfs-intro-to-the-bottom-of-the-section.patch docs-mm-damon-design-explicitly-introduce-nr_accesses.patch docs-admin-guide-mm-damon-usage-explain-the-format-of-damon_aggregate-tracepoint.patch docs-mm-damon-design-add-a-section-for-kdamond-and-damon-context.patch docs-admin-guide-mm-damon-usage-link-design-doc-for-details-of-kdamond-and-context.patch mm-damon-core-fix-a-comment-about-damon_set_attrs-call-timings.patch mm-damon-core-add-more-comments-for-nr_accesses.patch mm-damon-core-remove-duplicated-comment-for-watermarks-based-deactivation.patch mm-damon-core-remove-struct-target-parameter-from-damon_aggregated-tracepoint.patch