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| author | qinyu <qin.yuA@h3c.com> | 2026-02-03 18:26:49 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:53:02 -0700 |
| commit | 1c7b8d8a51cc1022bcf6604adf3f1963f8162f3f (patch) | |
| tree | b11db42d8bcd0060697a58c7f1081acf9eb46d2f | |
| parent | b0fbe8c3414d26d43f76cc9c4c1ae8eb51a04428 (diff) | |
| download | lwn-1c7b8d8a51cc1022bcf6604adf3f1963f8162f3f.tar.gz lwn-1c7b8d8a51cc1022bcf6604adf3f1963f8162f3f.zip | |
mm/page_idle.c: remove redundant mmu notifier in aging code
Now we have mmu_notifier_clear_young immediately follows
pmdp_clear_young_notify which internally calls mmu_notifier_clear_young,
this is redundant. change it with non-notify variant and keep consistent
with ptep aging code.
Link: https://lkml.kernel.org/r/20260203102649.2486836-1-qin.yuA@h3c.com
Signed-off-by: qinyu <qin.yuA@h3c.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Acked-by: David Hildenbrand (arm) <david@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/page_idle.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_idle.c b/mm/page_idle.c index 96bb94c7b6c3..9c67cbac2965 100644 --- a/mm/page_idle.c +++ b/mm/page_idle.c @@ -74,7 +74,7 @@ static bool page_idle_clear_pte_refs_one(struct folio *folio, pmd_t pmdval = pmdp_get(pvmw.pmd); if (likely(pmd_present(pmdval))) - referenced |= pmdp_clear_young_notify(vma, addr, pvmw.pmd); + referenced |= pmdp_test_and_clear_young(vma, addr, pvmw.pmd); referenced |= mmu_notifier_clear_young(vma->vm_mm, addr, addr + PMD_SIZE); } else { /* unexpected pmd-mapped page? */ |