From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-damon-core-introduce-damon_probe_hits_mvsum.patch removed from -mm tree
Date: Thu, 30 Jul 2026 19:43:12 -0700 [thread overview]
Message-ID: <20260731024313.2A1371F000E9@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/damon/core: introduce damon_probe_hits_mvsum()
has been removed from the -mm tree. Its filename was
mm-damon-core-introduce-damon_probe_hits_mvsum.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: introduce damon_probe_hits_mvsum()
Date: Fri, 3 Jul 2026 10:06:02 -0700
Implement a function for getting a reasonable best effort quality pseudo
moving sums of probe_hits on demands. It reuses the internal function for
the pseudo moving sum for data access frequency (nr_accesses).
Link: https://lore.kernel.org/20260703170605.94472-3-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/damon.h | 2 ++
mm/damon/core.c | 21 +++++++++++++++++++++
2 files changed, 23 insertions(+)
--- a/include/linux/damon.h~mm-damon-core-introduce-damon_probe_hits_mvsum
+++ a/include/linux/damon.h
@@ -1003,6 +1003,8 @@ void damon_add_probe(struct damon_ctx *c
struct damon_region *damon_new_region(unsigned long start, unsigned long end);
unsigned int damon_nr_accesses_mvsum(struct damon_region *r,
struct damon_ctx *ctx);
+unsigned char damon_probe_hits_mvsum(int probe_idx, struct damon_region *r,
+ struct damon_ctx *ctx);
int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges,
unsigned int nr_ranges, unsigned long min_region_sz);
--- a/mm/damon/core.c~mm-damon-core-introduce-damon_probe_hits_mvsum
+++ a/mm/damon/core.c
@@ -273,6 +273,27 @@ unsigned int damon_nr_accesses_mvsum(str
left_window_bp);
}
+unsigned char damon_probe_hits_mvsum(int probe_idx, struct damon_region *r,
+ struct damon_ctx *ctx)
+{
+ unsigned long sample_interval, aggr_interval;
+ unsigned long window_len, left_window, left_window_bp;
+
+ sample_interval = ctx->attrs.sample_interval ? : 1;
+ aggr_interval = ctx->attrs.aggr_interval ? : 1;
+ window_len = aggr_interval / sample_interval;
+ if (time_after_eq(ctx->passed_sample_intervals,
+ ctx->next_aggregation_sis))
+ left_window = 0;
+ else
+ left_window = ctx->next_aggregation_sis -
+ ctx->passed_sample_intervals;
+ left_window_bp = mult_frac(left_window, 10000, window_len);
+
+ return damon_mvsum(r->probe_hits[probe_idx],
+ r->last_probe_hits[probe_idx], left_window_bp);
+}
+
#ifdef CONFIG_DAMON_DEBUG_SANITY
static void damon_verify_new_region(unsigned long start, unsigned long end)
{
_
Patches currently in -mm which might be from sj@kernel.org are
mm-damon-adjust-isolated-pages-stat-for-damos_migrate_hotcold.patch
mm-damon-core-stop-ctxs-in-damon_start-before-returning-an-error.patch
samples-damon-mtier-do-not-stop-first-context-for-damon_start-failure.patch
mm-damon-core-make-damon_stop-never-fails.patch
mm-damon-sysfs-ignore-damon_stop-return-value.patch
mm-damon-reclaaim-ignore-damon_stop-return-value.patch
mm-damon-lru_sort-ignore-damon_stop-return-value.patch
mm-damon-core-change-damon_stop-return-type-to-void.patch
samples-damon-mtier-stop-all-contexts-with-single-damon_stop-call.patch
mm-damon-core-wait-ctx-stop-in-damon_call-before-reruning-an-error.patch
samples-damon-wsse-do-not-stop-ctx-for-damon_call-failure.patch
samples-damon-prcl-do-not-stop-damon-for-damon_call-failure.patch
mm-damon-core-remove-comment-and-test-for-nr_to_bp-divide-by-zero.patch
mm-damon-core-s-damon_max_nr_accesses-damon_nr_samples_per_aggr.patch
mm-damon-core-s-accesses_bp_to_nr_accesses-sample_bp_to_count.patch
mm-damon-core-s-nr_accesses_to_accesses_bp-sample_count_to_bp.patch
mm-damon-core-s-nr_accesses_for_new_attrs-nr_samples_for_new_attrs.patch
mm-damon-core-update-probe-hits-for-new-parameter-commit.patch
mm-damon-core-handle-unreset-probe_hits-in-probe_hits_mvsum.patch
mm-damon-core-introduce-damon_probe-weight.patch
mm-damon-core-ask-apply_probes-ops-callback-to-set-sampling-address.patch
mm-damon-paddr-set-samples-in-apply_probes-if-requested.patch
mm-damon-core-ask-apply_probe-to-return-max-probe-hits-weighted-sum.patch
mm-damon-core-implement-damon_probe_hits_wsum.patch
mm-damon-paddr-respect-return_max_wsum.patch
mm-damon-core-use-abs_diff-instead-of-abs.patch
mm-damon-core-extend-merge-function-to-work-with-probe-hits.patch
mm-damon-core-disallow-probe_hits-overflow-on-attrs-only-monitoring.patch
mm-damon-core-validate-params-for-probe-hits-weighted-sum-overflow.patch
mm-damon-core-disable-access-monitoring-when-probe-weights-are-set.patch
mm-damon-core-set-samples-in-apply_probes-if-probe-weights-are-set.patch
mm-damon-core-s-max_nr_accesses-max_merge_score-in-kdamond_fn.patch
mm-damon-core-get-merge-threshold-from-probe-hits-when-weights-are-set.patch
mm-damon-core-implement-damon_has_probe_weight.patch
mm-damon-sysfs-implement-probe-weight-file.patch
docs-mm-damon-design-document-attrs-only-monitoring.patch
docs-admin-guide-mm-damon-usage-document-weight-sysfs-file.patch
docs-abi-damon-document-probe-weight-file.patch
mm-damon-core-skip-aging-from-repeated-aggressive-merging.patch
mm-damon-core-hide-private-damon_region-fields.patch
mm-damon-core-hide-private-damon_target-fields.patch
mm-damon-core-hide-private-damos_quota_goal-fields.patch
mm-damon-core-hide-private-damos_quota-fields.patch
mm-damon-core-hide-private-damos_filter-fields.patch
mm-damon-core-hide-private-damos-fields.patch
mm-damon-core-hide-private-damon_filter-fields.patch
mm-damon-core-hide-private-damon_probe-fields.patch
mm-damon-sysfs-do-not-directly-access-damon_ctx-ops.patch
mm-damon-core-hide-core-private-damon_ctx-fields.patch
mm-damon-core-avoid-infinite-kdamond_merge_regions-internal-loop.patch
mm-damon-tests-core-kunit-catch-test-failure-in-test_merge_regions_of.patch
mm-damon-vaddr-drop-last-same-folio-access-check-optimization.patch
mm-damon-paddr-drop-last-same-folio-access-check-reuse-optimization.patch
mm-damon-sysfs-read-addr_unit-only-once-in-damon_sysfs_apply_inputs.patch
mm-damon-sysfs-read-ops_id-only-once-in-damon_sysfs_apply_inputs.patch
mm-damon-core-initialize-damos-last_applied.patch
mm-damon-core-kunit-check-region-count-before-testing-in-split_at.patch
mm-damon-vaddr-kunit-check-region-count-in-three_regions-test.patch
mm-damon-core-kunit-handle-region-split-failure-in-filter_out.patch
mm-damon-core-kunit-skip-wrong-dest-walk-in-commit_dests_for.patch
mm-damon-core-kunit-skip-wrong-quota-goal-walk-in-commit_quota_goals.patch
mm-damon-core-kunit-skip-wrong-region-walk-in-commit_target_regions.patch
mm-damon-ops-common-use-nr_accesses-moving-sum-for-quota-score.patch
mm-damon-core-handle-region-split-failure-in-apply_min_nr_regions.patch
reply other threads:[~2026-07-31 2:43 UTC|newest]
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