From: Andrew Morton <akpm@linux-foundation.org>
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
Subject: [merged mm-stable] mm-damon-core-commit-preps.patch removed from -mm tree
Date: Tue, 06 Oct 2026 17:52:20 -0700 [thread overview]
Message-ID: <20261007005221.5B2C51F0089F@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/damon/core: commit preps
has been removed from the -mm tree. Its filename was
mm-damon-core-commit-preps.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 <sj@kernel.org>
Subject: mm/damon/core: commit preps
Date: Tue, 1 Sep 2026 06:24:53 -0700
damon_commit_probes() is ignoring damon_prep. Commit the prep actions,
too.
Link: https://lore.kernel.org/20260901132506.99243-7-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
---
mm/damon/core.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
--- a/mm/damon/core.c~mm-damon-core-commit-preps
+++ a/mm/damon/core.c
@@ -129,11 +129,34 @@ void damon_add_prep(struct damon_probe *
list_add_tail(&prep->list, &p->preps);
}
+static void damon_del_prep(struct damon_prep *p)
+{
+ list_del(&p->list);
+}
+
static void damon_free_prep(struct damon_prep *p)
{
kfree(p);
}
+static void damon_destroy_prep(struct damon_prep *p)
+{
+ damon_del_prep(p);
+ damon_free_prep(p);
+}
+
+static struct damon_prep *damon_nth_prep(int n, struct damon_probe *p)
+{
+ struct damon_prep *prep;
+ int i = 0;
+
+ damon_for_each_prep(prep, p) {
+ if (i++ == n)
+ return prep;
+ }
+ return NULL;
+}
+
struct damon_filter *damon_new_filter(enum damon_filter_type type,
bool matching, bool allow)
{
@@ -1699,6 +1722,36 @@ out:
return err;
}
+static void damon_commit_prep(struct damon_prep *dst, struct damon_prep *src)
+{
+ dst->action = src->action;
+}
+
+static int damon_commit_preps(struct damon_probe *dst, struct damon_probe *src)
+{
+ struct damon_prep *dst_prep, *next, *src_prep, *new_prep;
+ int i = 0, j = 0;
+
+ damon_for_each_prep_safe(dst_prep, next, dst) {
+ src_prep = damon_nth_prep(i++, src);
+ if (src_prep)
+ damon_commit_prep(dst_prep, src_prep);
+ else
+ damon_destroy_prep(dst_prep);
+ }
+
+ damon_for_each_prep_safe(src_prep, next, src) {
+ if (j++ < i)
+ continue;
+
+ new_prep = damon_new_prep(src_prep->action);
+ if (!new_prep)
+ return -ENOMEM;
+ damon_add_prep(dst, new_prep);
+ }
+ return 0;
+}
+
static void damon_commit_filter(struct damon_filter *dst,
struct damon_filter *src)
{
@@ -1757,6 +1810,9 @@ static int damon_commit_probes(struct da
src_probe = damon_nth_probe(i++, src);
if (src_probe) {
dst_probe->weight = src_probe->weight;
+ err = damon_commit_preps(dst_probe, src_probe);
+ if (err)
+ return err;
err = damon_commit_filters(dst_probe, src_probe);
if (err)
return err;
@@ -1774,6 +1830,9 @@ static int damon_commit_probes(struct da
return -ENOMEM;
damon_add_probe(dst, new_probe);
new_probe->weight = src_probe->weight;
+ err = damon_commit_preps(new_probe, src_probe);
+ if (err)
+ return err;
err = damon_commit_filters(new_probe, src_probe);
if (err)
return err;
_
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
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