From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,gutierrez.asier@huawei-partners.com,sj@kernel.org,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-damon-vaddr-support-pgidle_unset-probe-filter-type.patch removed from -mm tree
Date: Thu, 08 Oct 2026 22:58:02 -0700 [thread overview]
Message-ID: <20261009055802.CC5551F00898@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/damon/vaddr: support pgidle_unset probe filter type
has been removed from the -mm tree. Its filename was
mm-damon-vaddr-support-pgidle_unset-probe-filter-type.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/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 <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Gutierrez Asier <gutierrez.asier@huawei-partners.com>
---
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-sysfs-schemes-read-sysfs_filter-addr_range-only-once.patch
mm-damon-sysfs-schemes-read-sysfs_filter-sz_range-only-once.patch
mm-damon-core-return-an-error-from-damos_commit_filter_arg.patch
mm-damon-core-disallow-max-min-damos-filter-range-arguments-commit.patch
mm-damon-sysfs-schemes-drop-centralized-filter-range-arg-validations.patch
mm-damon-sysfs-schemes-use-switch-case-in-add_scheme_filters.patch
mm-damon-core-kunit-extend-damos_commit_filter_for-for-wrong-input.patch
mm-damon-core-kunit-test-invalid-damos-filter-commits.patch
mm-damon-api-introduce-damon_filter_type_hugepage_size.patch
mm-damon-core-commit-hugepage_size-type-damon-filter.patch
mm-damon-ops-common-support-hugepage_size-damon-filter-matching.patch
mm-damon-sysfs-add-minmax-files-under-probe-filter-directory.patch
mm-damon-sysfs-support-hugepage_size-probe-filter.patch
docs-mm-damon-design-update-for-hugepage_size-probe-filter.patch
docs-admin-guide-mm-damon-usage-update-for-hugepage_size.patch
docs-abi-damon-update-for-hugepage_size-probe-filter.patch
mm-damon-api-remove-nr_damos_filter_types.patch
mm-damon-core-use-abs_diff-in-damon_feed_loop_next_input.patch
mm-damon-core-use-mult_frac-in-damon_feed_loop_next_input.patch
mm-damon-core-set-damon_ctx-walk_control_obsolete-in-damon_new_ctx.patch
mm-damon-core-document-damon_call-damon_start-race-hang-issue.patch
mm-damon-paddr-remove-pa-parameter-from-damon_pa_filter_pass.patch
mm-damon-tests-core-kunit-test-eligible_mem_bp-commitment.patch
mm-damon-tests-core-kunit-add-probe_hits_wsum-damos-filter-commit-test.patch
selftests-damon-sysfs_memcg_path_leak-fail-only-for-real-damon-leak.patch
docs-mm-damon-design-clarify-bp-is-basis-point.patch
mm-damon-core-introduce-damos_quota_goal-complement.patch
mm-damon-core-add-complement-argument-to-damos_new_quota_goal.patch
mm-damon-sysfs-schemes-support-quota-goal-complement-flag.patch
mm-damon-tests-core-kunit-test-quota_goal-complement-commit.patch
selftests-damon-sysfssh-test-quota-goal-complement-flag-file.patch
docs-mm-damon-design-document-damos-quota-goal-complement-flag.patch
docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file.patch
docs-abi-damon-update-for-quota-goal-metric-complement-sysfs-file.patch
reply other threads:[~2026-10-09 5:58 UTC|newest]
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