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 13D2333A03F for ; Fri, 31 Jul 2026 02:43:53 +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=1785465834; cv=none; b=I2EYWcdc2NcH5ZG3p+1TQ99bEY5cufG/GCzua4Fv5hB3trfNY3+U9lvzEMuoZ1kd0MKbf7A7WzPBobeQUlToKqt2Ivc4HWNy10pN54MggaCaH7X6k0x0lnVUbrzQ9x57tT16nLv0DGIsixDStUveiDfcaWIOQ6Em5b6vmxknpcI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785465834; c=relaxed/simple; bh=mW6HJOOW9j0o/BFTAIjgl/60fJU6VLEGf/0+So861B8=; h=Date:To:From:Subject:Message-Id; b=iZTsStv4DXP5seE+XVXGLOcGPOOOWimvzEU8J75TJ9qMIqdVmIbhSxSrhHH6WbHQ8fr6Uev+pTK53hOpWlf9BHvMEd2f13+NosJLZNChX+yBhlYPm6Na9gOlBAc4JnqyHo4gEtlxbI4tUP25+PNAx5TI747GPY+OpCMsGSBo6J0= 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=e39J7SB7; 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="e39J7SB7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF1551F00A3A; Fri, 31 Jul 2026 02:43:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1785465833; bh=3g0ebrmICPHacmTGBj53iLr/SwqwuD0aV6moD++lrKU=; h=Date:To:From:Subject; b=e39J7SB7lK0uPZMgx1Nu4CGeJl/MHb2t0KkP8I8P3hiPd6ovdzJe/4vlH1V7GMaZU jb2Dqk8+0OumrNnkuQhDuSQNtVJYuV7ZiUUWaIjAKnpedw3dgFpe/ffGwMPGk+phoy iI477cl3Tr38juRRfLbTckJLu6+mahuL7V7R0zLU= Date: Thu, 30 Jul 2026 19:43:52 -0700 To: mm-commits@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-sysfs-remove-region-size-validation.patch removed from -mm tree Message-Id: <20260731024352.DF1551F00A3A@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: remove region size validation has been removed from the -mm tree. Its filename was mm-damon-sysfs-remove-region-size-validation.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: remove region size validation Date: Sun, 5 Jul 2026 08:55:59 -0700 DAMON_SYSFS validates user inputs for monitoring target regions to disallow negative size regions. DAMON core assumes only positive size regions, though. The validation is incomplete. Fortunately damon_set_regions(), which is eventually used by DAMON_SYSFS, does the complete validation. Remove the incomplete and unnecessary validation. Link: https://lore.kernel.org/20260705155600.96555-9-sj@kernel.org Signed-off-by: SJ Park Signed-off-by: Andrew Morton --- mm/damon/sysfs.c | 3 --- 1 file changed, 3 deletions(-) --- a/mm/damon/sysfs.c~mm-damon-sysfs-remove-region-size-validation +++ a/mm/damon/sysfs.c @@ -1987,9 +1987,6 @@ static int damon_sysfs_set_regions(struc struct damon_sysfs_region *sys_region = sysfs_regions->regions_arr[i]; - if (sys_region->ar.start > sys_region->ar.end) - goto out; - ranges[i].start = sys_region->ar.start; ranges[i].end = sys_region->ar.end; if (i == 0) _ 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