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 C9CDB13DBBD for ; Thu, 10 Sep 2026 00:07:46 +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=1788998868; cv=none; b=s3U+7mLs1IFKRyluco0eERE1Yc9LCWbfLdsZb/4DZ+/qDZYD16FvpaJObAuq5hgf8a2wYYCveE1CjxMM0T9hLFQ3ZhaFIDzY7hahavIiXafQq5YlgaJxkAcuwZgeYLC63gB0D8kSUE5gMOuHLNku0GYntW7fINjUX6Jr96jYxEc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788998868; c=relaxed/simple; bh=5KfSltdewexbhHMnHMe97NhU7Z77xggEA5/sS6u/RLk=; h=Date:To:From:Subject:Message-Id; b=brsFMGv8iIr5ZqU19ZAamPknGU9XcmddH83Qsj5uTNiYfxmYkqWkkAg+Xd6QaOZ+f9TncEsfrJYdurGBOU+q0tVTlV7Vcelkllj574XkKjo6BUuuaOXS8Pm9bZaOk1fRYwBRT3ciO3u99kXqLuzCIQRi3Ex6tk8RZDkxRGveLQU= 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=CYcRYFIj; 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="CYcRYFIj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45BFE1F000FF; Thu, 10 Sep 2026 00:07:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1788998866; bh=vPvei0yDuUKKreRfjUIoWr+QAhCEEA9hj7Frmqiu4Ac=; h=Date:To:From:Subject; b=CYcRYFIjpf+6qjbyEd028smVFVr66tx4xLX+sE8wIaFJCR+VQzFRf0ncGqVqMUsCE RyF9Ko7tyYTUwlA5ef1v+A77YkppHqkSUao3lHTJJosX3Lhe0ZqOWwC84vl5ebl4is MBPjHoEpPiDl557izVTNnm8prba0rQOo/vpI9m0k= Date: Wed, 09 Sep 2026 17:07:45 -0700 To: mm-commits@vger.kernel.org,gutierrez.asier@huawei-partners.com,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-damon-vaddr-support-pgidle_unset-probe-filter-type.patch added to mm-new branch Message-Id: <20260910000746.45BFE1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/damon/vaddr: support pgidle_unset probe filter type has been added to the -mm mm-new branch. Its filename is mm-damon-vaddr-support-pgidle_unset-probe-filter-type.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-vaddr-support-pgidle_unset-probe-filter-type.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next If a few days of testing in mm-new is successful, the patch will me moved into mm.git's mm-unstable branch, which is included in linux-next Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: SJ Park Subject: mm/damon/vaddr: support pgidle_unset probe filter type Date: Wed, 9 Sep 2026 07:04:07 -0700 DAMON virtual address space operation set (vaddr) does not support pgidle_unset probe filter type. Add the support. Link: https://lore.kernel.org/20260909140408.104699-6-sj@kernel.org Signed-off-by: SJ Park Cc: Gutierrez Asier Signed-off-by: Andrew Morton --- mm/damon/vaddr.c | 55 +++++++++++++++++++++++++++++++++++++++------ 1 file changed, 48 insertions(+), 7 deletions(-) --- a/mm/damon/vaddr.c~mm-damon-vaddr-support-pgidle_unset-probe-filter-type +++ a/mm/damon/vaddr.c @@ -522,13 +522,49 @@ static void damon_va_prep_probes(struct } } -static bool damon_va_filter_pass(struct folio *folio, struct damon_probe *p) +static bool damon_va_young_addr(struct folio *folio, pte_t *pte, pmd_t *pmd, + struct mm_struct *mm, unsigned long addr) +{ + bool young = false; + + if (pte) + young = pte_young(*pte); + else if (pmd) + young = pmd_young(*pmd); + young = young || !folio_test_idle(folio) || + mmu_notifier_test_young(mm, addr); + return young; +} + +static bool damon_va_filter_match(struct damon_filter *filter, + struct folio *folio, pte_t *pte, pmd_t *pmd, + struct mm_struct *mm, unsigned long addr) +{ + bool matched = false; + + switch (filter->type) { + case DAMON_FILTER_TYPE_PGIDLE_UNSET: + if (!folio) + matched = false; + else + matched = damon_va_young_addr(folio, pte, pmd, mm, + addr); + break; + default: + return damon_ops_filter_match(filter, folio); + } + return matched == filter->matching; +} + +static bool damon_va_filter_pass(struct folio *folio, struct damon_probe *p, + pte_t *pte, pmd_t *pmd, struct mm_struct *mm, + unsigned long addr) { struct damon_filter *f; bool pass = true; damon_for_each_filter(f, p) { - if (damon_ops_filter_match(f, folio)) { + if (damon_va_filter_match(f, folio, pte, pmd, mm, addr)) { pass = f->allow; break; } @@ -543,13 +579,15 @@ struct damon_va_probe_walk_private { }; static void damon_va_probe_folio(struct damon_ctx *ctx, - struct damon_region *r, struct folio *folio) + struct damon_region *r, struct folio *folio, + pte_t *pte, pmd_t *pmd, struct mm_struct *mm) { struct damon_probe *probe; int i = 0; damon_for_each_probe(probe, ctx) { - if (damon_va_filter_pass(folio, probe)) + if (damon_va_filter_pass(folio, probe, pte, pmd, mm, + r->sampling_addr)) r->probe_hits[i]++; i++; } @@ -574,7 +612,8 @@ static int damon_va_probe_pmd_entry(pmd_ folio = vm_normal_folio_pmd(walk->vma, addr, pmde); if (!folio) goto huge_out; - damon_va_probe_folio(priv->ctx, priv->r, folio); + damon_va_probe_folio(priv->ctx, priv->r, folio, NULL, &pmde, + walk->vma->vm_mm); huge_out: spin_unlock(ptl); @@ -591,7 +630,8 @@ huge_out: folio = vm_normal_folio(walk->vma, addr, ptent); if (!folio) goto out; - damon_va_probe_folio(priv->ctx, priv->r, folio); + damon_va_probe_folio(priv->ctx, priv->r, folio, &ptent, NULL, + walk->vma->vm_mm); out: pte_unmap_unlock(pte, ptl); @@ -615,7 +655,8 @@ static int damon_va_probe_hugetlb_entry( folio = pfn_folio(pte_pfn(entry)); folio_get(folio); - damon_va_probe_folio(priv->ctx, priv->r, folio); + damon_va_probe_folio(priv->ctx, priv->r, folio, &entry, NULL, + walk->vma->vm_mm); folio_put(folio); out: _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-vaddr-avoid-hw-driven-pte-updates-during-damon_hugetlb_mkold.patch mm-damon-core-skip-applying-scheme-if-region-split-for-quota-fails.patch mm-damon-paddr-respect-folio-end-for-damos_stat.patch mm-damon-paddr-respect-folio-end-for-damos-actions-except-stat.patch mm-damon-vaddr-respect-folio-end-for-damos_stat.patch mm-damon-vaddr-respect-folio-end-for-damos_migrate_hotcold.patch mm-damon-core-handle-extreme-memory-state-in-damon_get_node_mem_bp.patch mm-damon-core-handle-extreme-memory-state-in-get_node_memcg_used_bp.patch mm-damon-core-handle-extreme-memory-state-in-get_in_active_mem_bp.patch mm-damon-core-introduce-damon_filter_type_pgidle_unset.patch mm-damon-paddr-support-pgidle_unset-probe-filter-type.patch mm-damon-sysfs-support-pgidle_unset-probe-filter-type.patch docs-mm-damon-design-document-pgidle_unset-probe-filter-type.patch mm-damon-core-introduce-damon_prep-struct.patch mm-damon-core-commit-preps.patch mm-damon-core-introduce-damon_operations-prep_probes.patch mm-damon-paddr-support-damon_prep.patch mm-damon-sysfs-implement-preps-directory.patch mm-damon-sysfs-implement-preps-nr_preps-file.patch mm-damon-sysfs-create-directories-for-nr_preps-writes.patch mm-damon-sysfs-implement-prep_action-file.patch mm-damon-sysfs-pass-preps-to-damon-core.patch selftests-damon-sysfssh-test-probe-prep-sysfs-files.patch docs-mm-damon-design-document-probe-preps.patch docs-admin-guide-mm-damon-usage-document-probe-preps-sysfs-files.patch docs-abi-damon-document-probe-prep-sysfs-files.patch mm-damon-tests-core-kunit-test-committing-psi-goal-to-psi-goal.patch mm-damon-core-handle-uninitialized-damos_quota_goal-last_psi_total.patch mm-damon-core-copy-nid-for-eligible_mem_bp-damos-quota-goal-commit.patch mm-damon-sysfs-set-next-refresh-jiffies-per-sysfs-context.patch mm-damon-tests-core-kunit-test-damon_commit_filter.patch mm-damon-tests-core-kunit-add-damon_commit_probes-test.patch selftests-damon-_damon_sysfs-implement-damonprobes.patch selftests-damon-drgn_dump_damon_status-dump-probes.patch selftests-damon-sysfspy-extend-commit-assertion-function-for-probes.patch selftests-damon-sysfspy-test-damon-probes.patch 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