From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55C5E314D37 for ; Wed, 7 Oct 2026 00:52:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791334353; cv=none; b=WgOtLxtiozGtUu1XIm3+YqtCF3NFLg6G6q7Q+MfEoAk0IqO9hUHCmFpuvlJoUtDOtLdaF4D4NIt559V3+Q6a+U2nv0hTiDszLqPBnJEesenPmEjey8Uf4DmItVQPFrEUSTT1WjKnlyVmTUTmsc3Ql1T8IZ3s9PoX3ZNl3VxYKzo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791334353; c=relaxed/simple; bh=0YPIbyX+VkgU7lJkX4nNL0viUVtfxK7S/5LpEdiRngQ=; h=Date:To:From:Subject:Message-Id; b=VB2wV4DDOLy2/th4H37ijEuHvGCXOsMhZROLuHE5CvTi/BX6fY6Dbdd9FdVJSxQTBNwXoaHpWcehr75L2UVjC+7X/hdOIv6ChWQmyRNgc/ukcwK0nNL/IRbKG0n8NVL1RNM2443+9bJVqF1G74WoMfy2NKX5ktrbGkMPt3kac0A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=FYk6WJbo; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="FYk6WJbo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C8371F0089C; Wed, 7 Oct 2026 00:52:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1791334352; bh=Dzf7ZLisZTZpTSdEw84IJnYmeeERICk4OFn4KBovLRg=; h=Date:To:From:Subject; b=FYk6WJbovQ4g3be0ha3dRj28btuMNt/a+gWShvnEYZ7vXWeyTxmWaQdVpJ3eo27r0 ptRL15L8t4TcYvf2cNZo5cE5C4NBWN+s2mXIC68J5MSUNpjNhu6AHmsIy4XPrCE/tp w5yq31v/u5/ptIt6jSZNb83r0hA20tC/QUlO+9MM= Date: Tue, 06 Oct 2026 17:52:31 -0700 To: mm-commits@vger.kernel.org,vbabka@kernel.org,surenb@google.com,shuah@kernel.org,rppt@kernel.org,rdunlap@infradead.org,mhocko@suse.com,ljs@kernel.org,liam@infradead.org,david@kernel.org,corbet@lwn.net,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] docs-admin-guide-mm-damon-usage-document-probe-preps-sysfs-files.patch removed from -mm tree Message-Id: <20261007005232.2C8371F0089C@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: Docs/admin-guide/mm/damon/usage: document probe preps sysfs files has been removed from the -mm tree. Its filename was docs-admin-guide-mm-damon-usage-document-probe-preps-sysfs-files.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: SJ Park Subject: Docs/admin-guide/mm/damon/usage: document probe preps sysfs files Date: Tue, 1 Sep 2026 06:25:03 -0700 Update DAMON usage document for the newly added DAMON probe preps sysfs files. Link: https://lore.kernel.org/20260901132506.99243-17-sj@kernel.org Signed-off-by: SJ Park Signed-off-by: Andrew Morton Cc: David Hildenbrand Cc: Jonathan Corbet Cc: Liam R. Howlett Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mike Rapoport Cc: Randy Dunlap Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka --- Documentation/admin-guide/mm/damon/usage.rst | 18 ++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) --- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-document-probe-preps-sysfs-files +++ a/Documentation/admin-guide/mm/damon/usage.rst @@ -74,6 +74,9 @@ comma (","). │ │ │ │ │ │ nr_regions/min,max │ │ │ │ │ │ :ref:`probes `/nr_probes │ │ │ │ │ │ │ 0/weight + │ │ │ │ │ │ │ │ preps/nr_preps + │ │ │ │ │ │ │ │ │ 0/prep_action + │ │ │ │ │ │ │ │ │ ... │ │ │ │ │ │ │ │ filters/nr_filters │ │ │ │ │ │ │ │ │ 0/type,matching,allow,path │ │ │ │ │ │ │ │ │ ... @@ -283,9 +286,18 @@ In the beginning, this directory has onl number (``N``) to the file creates the number of child directories named ``0`` to ``N-1``. Each directory represents each monitoring probe. -In each probe directory, one directory, ``filters`` exists. The directory -contains files for installing filters for the probe, that is used to determine -the data attribute for the probe. +In each probe directory, two directories, ``preps`` and ``filters`` exist. The +directories contain files for installing probing preparation actions and +filters for the probe, that are used to determine the data attribute for the +probe. + +In the beginning, ``preps`` directory has only one file, ``nr_preps``. +Writing a number (``N``) to the file creates the number of child directories +named ``0`` to ``N-1``. Each directory represents each preparation action. +Each directory has one file, ``prep_action``. The preparation action can be +selected by writing the name of the action to the ``prep_action`` file. Refer +to the :ref:`design doc ` for the list of +supported actions. Each probe directory also contains ``weight`` file. Reading from and writing to the file gets and sets the :ref:`attributes-only monitoring _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-core-use-damon_nr_samples_per_aggr-for-max-merge-threshold.patch mm-damon-core-remove-debug-messages.patch mm-damon-core-remove-debug-messages-fix.patch mm-damon-vaddr-remove-a-debug-message.patch mm-damon-core-validate-number-of-probes-in-valid_probe_params.patch mm-damon-sysfs-remove-probes-number-validation.patch mm-damon-tests-core-kunit-extend-set_regions-test-for-error-case.patch mm-damon-tests-core-kunit-test-=0-size-damon_set_regions-inputs.patch mm-damon-tests-core-kunit-test-overlapping-ranges-for-set_regions.patch mm-damon-tests-core-kunit-test-damon_nr_samples_per_aggr.patch selftests-damon-sysfssh-test-hugepage_mem_bp-quota-goal.patch docs-mm-damon-maintainer-profile-update-ai-review-for-sashiko-replies.patch docs-abi-damon-recommend-subsystem-doc-instead-of-admin-guide.patch mm-damon-core-error-damos_commit_quota_goal-for-zero-target_value.patch revert-mm-damon-lru_sort-error-out-for-10000-active_mem_bp.patch revert-samples-damon-mtier-error-out-for-zero-quota-goal-target-values.patch mm-damon-core-handle-null-ctx-parameter-in-damon_call.patch mm-damon-core-set-ctx-call_controls_obsolete-in-damon_new_ctx.patch mm-damon-reclaim-remove-unnecessary-damon_call-param-validation.patch mm-damon-lru_sort-remove-unnecessary-damon_call-param-validation.patch mm-damon-vaddr-support-prep_probes.patch mm-damon-paddr-move-probe-filter-handling-to-ops-common.patch mm-damon-vaddr-support-apply_probe.patch mm-damon-vaddr-extend-apply_probes-for-hugetlb.patch mm-damon-vaddr-support-pgidle_unset-probe-filter-type.patch mm-damon-api-introduce-damon_filter_type_pgidle_set.patch mm-damon-paddr-support-damon_filter_type_pgidle_set.patch mm-damon-vaddr-support-damon_filter_type_pgidle_set.patch mm-damon-sysfs-support-damon_filter_type_pgidle_set.patch docs-mm-damon-design-update-for-pgidle_set-probe-filter.patch mm-damon-api-introduce-damos_filter_type_probe_hits_wsum.patch mm-damon-api-introduce-damos_filter_type_probe_hits_wsum-fix.patch mm-damon-core-extend-probe_hits_wsum-for-moving-sum-based-calculation.patch mm-damon-core-support-probe_hits_wsum-damos-core-filter.patch mm-damon-sysfs-schemes-rename-sysfs_filter-sz_range-to-range_minmax.patch mm-damon-sysfs-schemes-support-probe_hits_wsum-damos-core-filter.patch docs-mm-damon-design-update-for-probe_hits_wsum-damos-core-filter.patch docs-admin-guide-mm-damon-usage-update-for-probe_hits_wsum-damos-filter.patch mm-damon-sysfs-schemes-read-sysfs_filter-addr_range-only-once.patch mm-damon-sysfs-schemes-read-sysfs_filter-sz_range-only-once.patch mm-damon-core-return-an-error-from-damos_commit_filter_arg.patch mm-damon-core-disallow-max-min-damos-filter-range-arguments-commit.patch mm-damon-sysfs-schemes-drop-centralized-filter-range-arg-validations.patch mm-damon-sysfs-schemes-use-switch-case-in-add_scheme_filters.patch mm-damon-core-kunit-extend-damos_commit_filter_for-for-wrong-input.patch mm-damon-core-kunit-test-invalid-damos-filter-commits.patch mm-damon-api-introduce-damon_filter_type_hugepage_size.patch mm-damon-core-commit-hugepage_size-type-damon-filter.patch mm-damon-ops-common-support-hugepage_size-damon-filter-matching.patch mm-damon-sysfs-add-minmax-files-under-probe-filter-directory.patch mm-damon-sysfs-support-hugepage_size-probe-filter.patch docs-mm-damon-design-update-for-hugepage_size-probe-filter.patch docs-admin-guide-mm-damon-usage-update-for-hugepage_size.patch docs-abi-damon-update-for-hugepage_size-probe-filter.patch mm-damon-api-remove-nr_damos_filter_types.patch mm-damon-core-use-abs_diff-in-damon_feed_loop_next_input.patch mm-damon-core-use-mult_frac-in-damon_feed_loop_next_input.patch mm-damon-core-set-damon_ctx-walk_control_obsolete-in-damon_new_ctx.patch mm-damon-core-document-damon_call-damon_start-race-hang-issue.patch mm-damon-paddr-remove-pa-parameter-from-damon_pa_filter_pass.patch mm-damon-tests-core-kunit-test-eligible_mem_bp-commitment.patch mm-damon-tests-core-kunit-add-probe_hits_wsum-damos-filter-commit-test.patch selftests-damon-sysfs_memcg_path_leak-fail-only-for-real-damon-leak.patch docs-mm-damon-design-clarify-bp-is-basis-point.patch mm-damon-core-introduce-damos_quota_goal-complement.patch mm-damon-core-add-complement-argument-to-damos_new_quota_goal.patch mm-damon-sysfs-schemes-support-quota-goal-complement-flag.patch mm-damon-tests-core-kunit-test-quota_goal-complement-commit.patch selftests-damon-sysfssh-test-quota-goal-complement-flag-file.patch docs-mm-damon-design-document-damos-quota-goal-complement-flag.patch docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file.patch docs-abi-damon-update-for-quota-goal-metric-complement-sysfs-file.patch