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 123D7282F02; Fri, 29 May 2026 04:06:12 +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=1780027573; cv=none; b=UUaby9qaOgDup/p8GpQKhzAK6Wy5xpckc1x2yrrpNsnJp7l8sQV42Z9camDysx3m8OkHJvKLHjFKpflGv1lwV9IKNj/UYVjj1RoQ/r3ibRwySO83yra6qMXo25ibkvebjKgngufeAeBJ5p3FKtjX06xgOMEekpiU5Io8XextrpA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780027573; c=relaxed/simple; bh=AuF6S5/4nuW6VGOqJmVUc6GCmIg5OVMeUonhQXLDIvI=; h=Date:To:From:Subject:Message-Id; b=EKu7EjzUuenuddzovHQrCGS40X4yC6WaTajZRAWyL/6EoiW8Y5cJKEvy0kxKnjaZ7yDq7/T1LULw4W7C9zZxbiUMjFEysbTaL4FWcLNrrk63MkV7WEY/Xodp+RMm6SZV6c/ziDMGPjRH4Y/KqyCh+CHYLrxeb4s7+6DyiWsRNfI= 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=QEkyxYFX; 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="QEkyxYFX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D977D1F00898; Fri, 29 May 2026 04:06:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1780027572; bh=VAu1jVkmQLGApMdR1dMXFdFmoyyEXVt7oKChATzll9k=; h=Date:To:From:Subject; b=QEkyxYFXRELfwqL9dgf72q6LwEkVK5Q1ezdeJfwWxxDVNUnavSjZSHDooYPrArITa Tm4UgojUTKmbv+BVqI9FX2w53hreSjB4rAs33zy/eHpJDRNMYhUqOjPzb1pE4zYvEN DLWmUvmMoGTwtYXfSIrFprkN+9OeXkjybSPcaMqQ= Date: Thu, 28 May 2026 21:06:11 -0700 To: mm-commits@vger.kernel.org,stable@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-core-make-charge_addr_from-aware-of-end-address-exclusivity.patch removed from -mm tree Message-Id: <20260529040611.D977D1F00898@smtp.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/damon/core: make charge_addr_from aware of end-address exclusivity has been removed from the -mm tree. Its filename was mm-damon-core-make-charge_addr_from-aware-of-end-address-exclusivity.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: SeongJae Park Subject: mm/damon/core: make charge_addr_from aware of end-address exclusivity Date: Mon, 27 Apr 2026 21:29:40 -0700 DAMON region end address is exclusive one, but charge_addr_from is assigned assuming the end address is inclusive. As a result, DAMOS action to next up to min_region_sz memory can be skipped. This is quite negligible user impact. But, the bug is a bug that can be very simply fixed. Fix the wrong assignment to respect the exclusiveness of the address. The issue was discovered [1] by Sashiko. Link: https://lore.kernel.org/20260428042942.118230-1-sj@kernel.org Link: https://lore.kernel.org/20260428032324.115663-1-sj@kernel.org [1] Fixes: 50585192bc2e ("mm/damon/schemes: skip already charged targets and regions") Signed-off-by: SeongJae Park Cc: # 5.16.x Signed-off-by: Andrew Morton --- mm/damon/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/damon/core.c~mm-damon-core-make-charge_addr_from-aware-of-end-address-exclusivity +++ a/mm/damon/core.c @@ -2106,7 +2106,7 @@ static void damos_apply_scheme(struct da if (damos_quota_is_set(quota) && quota->charged_sz >= quota->esz) { quota->charge_target_from = t; - quota->charge_addr_from = r->ar.end + 1; + quota->charge_addr_from = r->ar.end; } } if (s->action != DAMOS_STAT) _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-ops-common-call-folio_test_lru-after-folio_get.patch mm-damon-reclaim-handle-ctx-allocation-failure.patch mm-damonn-lru_sort-handle-ctx-allocation-failure.patch mm-damon-core-introduce-struct-damon_probe.patch mm-damon-core-embed-damon_probe-objects-in-damon_ctx.patch mm-damon-core-introduce-damon_filter.patch mm-damon-core-commit-probes.patch mm-damon-core-introduce-damon_region-probe_hits.patch mm-damon-core-introduce-damon_ops-apply_probes.patch mm-damon-core-do-data-attributes-monitoring.patch mm-damon-paddr-support-data-attributes-monitoring.patch mm-damon-sysfs-implement-probes-dir.patch mm-damon-sysfs-implement-probe-dir.patch mm-damon-sysfs-implement-filters-directory.patch mm-damon-sysfs-implement-filter-dir.patch mm-damon-sysfs-implement-filter-dir-files.patch mm-damon-sysfs-setup-probes-on-damon-core-api-parameters.patch mm-damon-sysfs-schemes-implement-tried_regions-r-probes.patch mm-damon-sysfs-schemes-implement-probe-dir.patch mm-damon-sysfs-schemes-implement-probe-hits-file.patch mm-damon-trace-probe_hits.patch selftests-damon-sysfssh-test-probes-dir.patch docs-mm-damon-design-document-data-attributes-monitoring.patch docs-admin-guide-mm-damon-usage-document-data-attributes-monitoring.patch mm-damon-core-introduce-damon_filter_type_memcg.patch mm-damon-paddr-support-damon_filter_type_memcg.patch mm-damon-sysfs-add-filters-f-path-file.patch mm-damon-sysfs-schemes-move-memcg_path_to_id-to-sysfs-common.patch mm-damon-sysfs-setup-damon_filter-memcg_id-from-path.patch docs-mm-damon-design-update-for-memcg-damon-filter.patch docs-admin-guide-mm-damon-usage-update-for-memcg-damon-filter.patch mm-damon-core-safely-handle-no-region-case-in-damon_set_regions.patch mm-damon-core-do-not-use-region-out-of-a-loop-in-damon_set_regions.patch samples-damon-mtier-replace-damon_add_region-with-damon_set_regions.patch mm-damon-tests-vaddr-kunit-replace-damon_add_region-with-damon_set_regions.patch mm-damon-core-hide-damon_add_region.patch mm-damon-core-hide-damon_insert_region.patch mm-damon-core-hide-damon_destroy_region.patch mm-damon-core-add-kdamond_call-debug_sanity-check.patch mm-damon-core-remove-damon_verify_nr_regions.patch mm-damon-tests-core-kunit-add-damon_set_regions-test-cases.patch selftests-damon-sysfspy-stop-kdamonds-before-failing.patch selftests-damon-sysfssh-test-monitoring-intervals-goal-dir.patch selftests-damon-sysfssh-test-addr_unit-file-existence.patch selftests-damon-sysfssh-test-pause-file-existence.patch mm-damon-core-trace-esz-at-first-setup.patch