From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BA1DB3191B9 for ; Tue, 27 Jan 2026 04:05:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769486712; cv=none; b=iF51OvBO9LGuH3/wPU90ScukAYioGTYgkGwbd6Kn2wJzH0FUaH27sosglW4QYYubd8ZqxQIg7XhqSTmAEfiNL6AYac8VBw90LY2t5flkkYwZCS49ahztqrL/dAGnoqw6RoWpDO4/osCQhNw5J/PclOLs2VkiqfPSbHn99qFirFc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769486712; c=relaxed/simple; bh=gqetljaDBusGnSdyfwmJOlM5pw/syNJyp9b1cvSW5h8=; h=Date:To:From:Subject:Message-Id; b=FcZlhYwzfQJuhWN3JHH0CMBgnIhzwrLKb4dc0oCg0EyMNAR4fBE91lSXsRZ1qGzsS/zV9ypSU7jR0XuWrBlHZ0UUmwDBSPbkViORSGWfzoTuCNzFjfiwInsv9xLE+8TDmkegelS4g8g82g4LN06dnVoO4sbI6Wv9BfZ50m7P9KM= 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=2syUIxdX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="2syUIxdX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9234EC116C6; Tue, 27 Jan 2026 04:05:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1769486712; bh=gqetljaDBusGnSdyfwmJOlM5pw/syNJyp9b1cvSW5h8=; h=Date:To:From:Subject:From; b=2syUIxdX6wDLEwfT7Vr7bILZ8P5IAw2IKzqQzWM5jiraQsNZ8JZHi9a5kN6b1+Ug9 yeVkN6YQmXkU5HtwaOJbpMCoPu37+IsQNx5rSUceUB255uPtST30cXkf1EqIoIA7GH GFsXxZpd9V3cDEigzmaQCxcGmF/fg8tDSJNPg/HM= Date: Mon, 26 Jan 2026 20:05:12 -0800 To: mm-commits@vger.kernel.org,vbabka@suse.cz,surenb@google.com,rppt@kernel.org,mhocko@suse.com,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,david@kernel.org,corbet@lwn.net,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-paddr-activate-damos_lru_prio-targets-instead-of-marking-accessed.patch removed from -mm tree Message-Id: <20260127040512.9234EC116C6@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/paddr: activate DAMOS_LRU_PRIO targets instead of marking accessed has been removed from the -mm tree. Its filename was mm-damon-paddr-activate-damos_lru_prio-targets-instead-of-marking-accessed.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/paddr: activate DAMOS_LRU_PRIO targets instead of marking accessed Date: Tue, 13 Jan 2026 07:27:09 -0800 DAMOS_LRU_DEPRIOD directly deactivates the pages, while DAMOS_LRU_PRIO calls folio_mark_accessed(), which does incremental activation. The incremental activation was assumed to be useful for making sure the pages of the hot memory region are really hot. After the introduction of DAMOS_LRU_PRIO, the young page filter has added. Users can use the young page filter to make sure the page is eligible to be activated. Meanwhile, the asymmetric behavior of DAMOS_LRU_[DE]PRIO can confuse users. Directly activate given pages for DAMOS_LRU_PRIO, to eliminate the unnecessary incremental activation steps, and be symmetric with DAMOS_LRU_DEPRIO for easier usages. Link: https://lkml.kernel.org/r/20260113152717.70459-5-sj@kernel.org Signed-off-by: SeongJae Park Cc: David Hildenbrand Cc: Jonathan Corbet Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mike Rapoport Cc: Suren Baghdasaryan Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/damon/paddr.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) --- a/mm/damon/paddr.c~mm-damon-paddr-activate-damos_lru_prio-targets-instead-of-marking-accessed +++ a/mm/damon/paddr.c @@ -206,9 +206,9 @@ put_folio: return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit); } -static inline unsigned long damon_pa_mark_accessed_or_deactivate( +static inline unsigned long damon_pa_de_activate( struct damon_region *r, unsigned long addr_unit, - struct damos *s, bool mark_accessed, + struct damos *s, bool activate, unsigned long *sz_filter_passed) { phys_addr_t addr, applied = 0; @@ -227,8 +227,8 @@ static inline unsigned long damon_pa_mar else *sz_filter_passed += folio_size(folio) / addr_unit; - if (mark_accessed) - folio_mark_accessed(folio); + if (activate) + folio_activate(folio); else folio_deactivate(folio); applied += folio_nr_pages(folio); @@ -240,20 +240,18 @@ put_folio: return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit); } -static unsigned long damon_pa_mark_accessed(struct damon_region *r, +static unsigned long damon_pa_activate_pages(struct damon_region *r, unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, true, - sz_filter_passed); + return damon_pa_de_activate(r, addr_unit, s, true, sz_filter_passed); } static unsigned long damon_pa_deactivate_pages(struct damon_region *r, unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, false, - sz_filter_passed); + return damon_pa_de_activate(r, addr_unit, s, false, sz_filter_passed); } static unsigned long damon_pa_migrate(struct damon_region *r, @@ -327,7 +325,7 @@ static unsigned long damon_pa_apply_sche case DAMOS_PAGEOUT: return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: - return damon_pa_mark_accessed(r, aunit, scheme, + return damon_pa_activate_pages(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_DEPRIO: return damon_pa_deactivate_pages(r, aunit, scheme, _ Patches currently in -mm which might be from sj@kernel.org are selftests-damon-sysfs_memcg_path_leaksh-use-kmemleak.patch selftests-damon-wss_estimation-test-for-up-to-160-mib-working-set-size.patch selftests-damon-access_memory-add-repeat-mode.patch selftests-damon-wss_estimation-ensure-number-of-collected-wss.patch selftests-damon-wss_estimation-deduplicate-failed-samples-output.patch mm-damon-remove-damon_operations-cleanup.patch mm-damon-core-cleanup-targets-and-regions-at-once-on-kdamond-termination.patch mm-damon-core-cancel-damos_walk-before-damon_ctx-kdamond-reset.patch mm-damon-core-process-damon_call_control-requests-on-a-local-list.patch mm-damon-document-damon_call_control-dealloc_on_cancel-repeat-behavior.patch mm-damon-core-rename-damos_filter_out-to-damos_core_filter_out.patch mm-damon-rename-damon_min_region-to-damon_min_region_sz.patch mm-damon-rename-min_sz_region-of-damon_ctx-to-min_region_sz.patch docs-mm-damon-index-simplify-the-intro.patch docs-mm-damon-design-link-repology-instead-of-fedora-package.patch docs-mm-damon-design-document-damon-sample-modules.patch docs-mm-damon-design-add-reference-to-damon_stat-usage.patch docs-admin-guide-mm-damon-usage-introduce-damon-modules-at-the-beginning.patch docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms.patch docs-mm-damon-maintainer-profile-fix-wrong-maitnainers-section-name.patch docs-mm-damon-maintainer-profile-remove-damon-tests-perf-suggestion.patch maple_tree-start-using-maple-copy-node-for-destination-fix.patch