mm-damon-sysfs-create-directories-for-nr_preps-writes.patch removed from -mm tree
The quilt patch titled
Subject: mm/damon/sysfs: create directories for nr_preps writes
has been removed from the -mm tree. Its filename was
mm-damon-sysfs-create-directories-for-nr_preps-writes.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 <[email protected]>
Subject: mm/damon/sysfs: create directories for nr_preps writes
Date: Tue, 1 Sep 2026 06:24:58 -0700
Implement nr_preps write action to actually create subdirectories of the number. Each of the directory will be evolved to represent each probe preparation action.
---
mm/damon/sysfs.c | 80 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 79 insertions(+), 1 deletion(-)
mm/damon/sysfs.c renamed from mm/damon/sysfs.c~mm-damon-sysfs-create-directories-for-nr_preps-writes +79 -1
@@ -750,11 +750,49 @@ static const struct kobj_type damon_sysf };/* +* prep directory +*/ + +struct damon_sysfs_prep { +struct kobject kobj; +}; + +static struct damon_sysfs_prep *damon_sysfs_prep_alloc (void ) +{ +struct damon_sysfs_prep *prep; + + prep = kzalloc_obj(struct damon_sysfs_prep); +if (!prep) +return prep; +return prep; +} + +static void damon_sysfs_prep_release (struct kobject *kobj) +{ +struct damon_sysfs_prep *prep =container_of (kobj, + struct damon_sysfs_prep, kobj); + +kfree (prep); +} + +static struct attribute *damon_sysfs_prep_attrs[] = { +NULL , +}; +ATTRIBUTE_GROUPS (damon_sysfs_prep); + +static const struct kobj_type damon_sysfs_prep_ktype = { + .release = damon_sysfs_prep_release, + .sysfs_ops = &kobj_sysfs_ops, + .default_groups = damon_sysfs_prep_groups, +}; + +/* * preps directory */ struct damon_sysfs_preps {struct kobject kobj; +struct damon_sysfs_prep **preps_arr;int nr; };
@@ -765,13 +803,53 @@ static struct damon_sysfs_preps *damon_sstatic void damon_sysfs_preps_rm_dirs (struct damon_sysfs_preps *preps) { +struct damon_sysfs_prep **preps_arr = preps->preps_arr; +int i; + +for (i =0 ; i < preps->nr; i++) { +kobject_del (&preps_arr[i]->kobj); +kobject_put (&preps_arr[i]->kobj); + } preps->nr =0 ; +kfree (preps_arr); + preps->preps_arr =NULL ; }static int damon_sysfs_preps_add_dirs (struct damon_sysfs_preps *preps,int nr_preps) { - preps->nr = nr_preps; +struct damon_sysfs_prep **preps_arr, *prep; +int err, i; + +damon_sysfs_preps_rm_dirs (preps); +if (!nr_preps) +return 0 ; + + preps_arr =kmalloc_objs (*preps_arr, nr_preps, +GFP_KERNEL | __GFP_NOWARN); +if (!preps_arr) +return -ENOMEM ; + preps->preps_arr = preps_arr; + +for (i =0 ; i < nr_preps; i++) { + prep =damon_sysfs_prep_alloc (); +if (!prep) { +damon_sysfs_preps_rm_dirs (preps); +return -ENOMEM ; + } + + err =kobject_init_and_add (&prep->kobj, + &damon_sysfs_prep_ktype, &preps->kobj,"%d" , + i); +if (err) { +kobject_put (&prep->kobj); +damon_sysfs_preps_rm_dirs (preps); +return err; + } + + preps_arr[i] = prep; + preps->nr++; + }return 0 ; }
_
Patches currently in -mm which might be from [email protected] 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