The patch titled
Subject: mm/damon/vaddr: record appropriate folio size when the access is not found
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-vaddr-record-appropriate-folio-size-when-the-access-is-not-found.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-record-appropriate-folio-size-when-the-access-is-not-found.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon/vaddr: record appropriate folio size when the access is not found
Date: Mon, 9 Jan 2023 21:33:32 +0000
DAMON virtual address spaces monitoring operations set doesn't set folio
size of the access checked address if access is not found. It could
result in unnecessary and inefficient repeated check. Appropriately set
the size regardless of access check result.
Link: https://lkml.kernel.org/r/20230109213335.62525-4-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/vaddr.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
--- a/mm/damon/vaddr.c~mm-damon-vaddr-record-appropriate-folio-size-when-the-access-is-not-found
+++ a/mm/damon/vaddr.c
@@ -452,10 +452,9 @@ static int damon_young_pmd_entry(pmd_t *
goto huge_out;
if (pmd_young(*pmd) || !folio_test_idle(folio) ||
mmu_notifier_test_young(walk->mm,
- addr)) {
- *priv->folio_sz = HPAGE_PMD_SIZE;
+ addr))
priv->young = true;
- }
+ *priv->folio_sz = HPAGE_PMD_SIZE;
folio_put(folio);
huge_out:
spin_unlock(ptl);
@@ -474,10 +473,9 @@ regular_page:
if (!folio)
goto out;
if (pte_young(*pte) || !folio_test_idle(folio) ||
- mmu_notifier_test_young(walk->mm, addr)) {
- *priv->folio_sz = folio_size(folio);
+ mmu_notifier_test_young(walk->mm, addr))
priv->young = true;
- }
+ *priv->folio_sz = folio_size(folio);
folio_put(folio);
out:
pte_unmap_unlock(pte, ptl);
@@ -504,10 +502,9 @@ static int damon_young_hugetlb_entry(pte
folio_get(folio);
if (pte_young(entry) || !folio_test_idle(folio) ||
- mmu_notifier_test_young(walk->mm, addr)) {
- *priv->folio_sz = huge_page_size(h);
+ mmu_notifier_test_young(walk->mm, addr))
priv->young = true;
- }
+ *priv->folio_sz = huge_page_size(h);
folio_put(folio);
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
include-linux-mm-fix-release_pages_arg-kernel-doc-comment.patch
mm-damon-core-implement-damos-filter.patch
mm-damon-paddr-support-damos-filters.patch
mm-damon-reclaim-add-a-parameter-called-skip_anon-for-avoiding-anonymous-pages-reclamation.patch
docs-admin-guide-damon-reclaim-document-skip_anon-parameter.patch
mm-damon-sysfs-schemes-implement-filters-directory.patch
mm-damon-sysfs-schemes-implement-filter-directory.patch
mm-damon-sysfs-schemes-connect-filter-directory-and-filters-directory.patch
mm-damon-sysfs-schemes-implement-scheme-filters.patch
mm-damon-sysfs-schemes-implement-scheme-filters-fix.patch
mm-damon-sysfs-schemes-implement-scheme-filters-fix-fix-2.patch
selftests-damon-sysfs-test-filters-directory.patch
docs-admin-guide-mm-damon-usage-document-damos-filters-of-sysfs.patch
docs-abi-damon-document-scheme-filters-files.patch
mm-page_reporting-replace-rcu_access_pointer-with-rcu_dereference_protected.patch
mm-switch-vma_merge-split_vma-and-__split_vma-to-vma-iterator-fix.patch
maintainers-add-types-to-akpm-mm-git-trees-entries.patch
maintainers-memory-management-add-tools-vm-as-managed-files.patch
tools-vm-rename-tools-vm-to-tools-mm.patch
selftests-vm-rename-selftets-vm-to-selftests-mm.patch
docs-admin-guide-mm-numaperf-increase-depth-of-subsections.patch
docs-admin-guide-mm-numaperf-increase-depth-of-subsections-fix.patch
mm-damon-vaddr-rename-damon_young_walk_private-page_sz-to-folio_sz.patch
mm-damon-vaddr-support-folio-of-neither-hpage_pmd_size-nor-page_size.patch
mm-damon-vaddr-record-appropriate-folio-size-when-the-access-is-not-found.patch
mm-damon-paddr-rename-damon_pa_access_chk_result-page_sz-to-folio_sz.patch
mm-damon-paddr-remove-folio_sz-field-from-damon_pa_access_chk_result.patch
mm-damon-paddr-remove-damon_pa_access_chk_result-struct.patch
scripts-spelling-add-a-few-more-typos.patch
