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 04C07314D37 for ; Wed, 7 Oct 2026 00:52:28 +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=1791334349; cv=none; b=iyYe037OD/7oo6noxnfDpZVYkbYsfnFr47RhrG8eQNfm0agTyB/zQC7tMabB3t6h2rGs2OgjKCS2nOTNVFBukippSky3RTJEeMu/bXwIUH7suL0NSTWxG0URF5tk0hdlHnyBu4CXNgcSVPC86dxaNQu2D1LTlc+QTLvkfhSe9ks= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791334349; c=relaxed/simple; bh=CpcDZd3Zift2+WV8YuQXQrJlMDwIMdCzX17hQhmbYew=; h=Date:To:From:Subject:Message-Id; b=Efw6r+aY6fpTk7zoQm4WttYfiWhx4qGLs5q4N6n8sTz4BYHJQa5h2mpmw+DgB9wUqOeRvuqWuLlYKwGNBo1qqQVI/ifMaoePi0lmAmKwaP0zKSrSQGv2Rl34XdjuUj0V0PUwYAMKly7ed6yjd7wsIHGnCMM84qwg3YQ3k/faEbI= 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=otloxSrc; 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="otloxSrc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CED811F0089C; Wed, 7 Oct 2026 00:52:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1791334347; bh=ziZeuThfF5LABjn540sZ24jkpKxFGGOR/U0z3ep3a6c=; h=Date:To:From:Subject; b=otloxSrciKiYtgdxdKmuBA5bAEaiz/c/mw9BR/6QRJKaqmDy0I6Rug4hxsegOoihH VdZk6FJzLLo2OmhQejPIdCbw/9a7L6Fd+1esSznC441X7O+63GD5gNyHEqJD8oBvgg eFRYLry3r/d5pL7B810RU7F63Z0RZe4zOsz20cnM= Date: Tue, 06 Oct 2026 17:52:27 -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] mm-damon-sysfs-implement-prep_action-file.patch removed from -mm tree Message-Id: <20261007005227.CED811F0089C@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/damon/sysfs: implement prep_action file has been removed from the -mm tree. Its filename was mm-damon-sysfs-implement-prep_action-file.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: mm/damon/sysfs: implement prep_action file Date: Tue, 1 Sep 2026 06:24:59 -0700 Add a file named prep_action under the prep directory. It represents the corresponding probe preparation action. Link: https://lore.kernel.org/20260901132506.99243-13-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 --- mm/damon/sysfs.c | 57 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) --- a/mm/damon/sysfs.c~mm-damon-sysfs-implement-prep_action-file +++ a/mm/damon/sysfs.c @@ -755,6 +755,7 @@ static const struct kobj_type damon_sysf struct damon_sysfs_prep { struct kobject kobj; + enum damon_prep_action action; }; static struct damon_sysfs_prep *damon_sysfs_prep_alloc(void) @@ -764,9 +765,61 @@ static struct damon_sysfs_prep *damon_sy prep = kzalloc_obj(struct damon_sysfs_prep); if (!prep) return prep; + prep->action = DAMON_PREP_SET_PGIDLE; return prep; } +struct damon_sysfs_prep_action_name { + const enum damon_prep_action action; + const char *name; +}; + +static const struct damon_sysfs_prep_action_name +damon_sysfs_prep_action_names[] = { + { + .action = DAMON_PREP_SET_PGIDLE, + .name = "set_pgidle", + }, +}; + +static ssize_t prep_action_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct damon_sysfs_prep *prep = container_of(kobj, + struct damon_sysfs_prep, kobj); + int i; + + for (i = 0; i < ARRAY_SIZE(damon_sysfs_prep_action_names); i++) { + const struct damon_sysfs_prep_action_name *action_name; + + action_name = &damon_sysfs_prep_action_names[i]; + if (action_name->action == prep->action) + return sysfs_emit(buf, "%s\n", action_name->name); + } + return -EINVAL; +} + +static ssize_t prep_action_store(struct kobject *kobj, + struct kobj_attribute *attr, const char *buf, size_t count) +{ + struct damon_sysfs_prep *prep = container_of(kobj, + struct damon_sysfs_prep, kobj); + ssize_t ret = -EINVAL; + int i; + + for (i = 0; i < ARRAY_SIZE(damon_sysfs_prep_action_names); i++) { + const struct damon_sysfs_prep_action_name *action_name; + + action_name = &damon_sysfs_prep_action_names[i]; + if (sysfs_streq(buf, action_name->name)) { + prep->action = action_name->action; + ret = count; + break; + } + } + return ret; +} + static void damon_sysfs_prep_release(struct kobject *kobj) { struct damon_sysfs_prep *prep = container_of(kobj, @@ -775,7 +828,11 @@ static void damon_sysfs_prep_release(str kfree(prep); } +static struct kobj_attribute damon_sysfs_prep_prep_action_attr = + __ATTR_RW_MODE(prep_action, 0600); + static struct attribute *damon_sysfs_prep_attrs[] = { + &damon_sysfs_prep_prep_action_attr.attr, NULL, }; ATTRIBUTE_GROUPS(damon_sysfs_prep); _ 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