The quilt patch titled Subject: mm: add missing mmu_notifier_clear_young for !MMU_NOTIFIER has been removed from the -mm tree. Its filename was mm-add-missing-mmu_notifier_clear_young-for-mmu_notifier.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: James Houghton <jthoughton@xxxxxxxxxx> Subject: mm: add missing mmu_notifier_clear_young for !MMU_NOTIFIER Date: Mon, 21 Oct 2024 16:02:12 +0000 Remove the now unnecessary ifdef in mm/damon/vaddr.c as well. Link: https://lkml.kernel.org/r/20241021160212.9935-1-jthoughton@xxxxxxxxxx Signed-off-by: James Houghton <jthoughton@xxxxxxxxxx> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Acked-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: SeongJae Park <sj@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/mmu_notifier.h | 7 +++++++ mm/damon/vaddr.c | 2 -- 2 files changed, 7 insertions(+), 2 deletions(-) --- a/include/linux/mmu_notifier.h~mm-add-missing-mmu_notifier_clear_young-for-mmu_notifier +++ a/include/linux/mmu_notifier.h @@ -606,6 +606,13 @@ static inline int mmu_notifier_clear_flu return 0; } +static inline int mmu_notifier_clear_young(struct mm_struct *mm, + unsigned long start, + unsigned long end) +{ + return 0; +} + static inline int mmu_notifier_test_young(struct mm_struct *mm, unsigned long address) { --- a/mm/damon/vaddr.c~mm-add-missing-mmu_notifier_clear_young-for-mmu_notifier +++ a/mm/damon/vaddr.c @@ -353,11 +353,9 @@ static void damon_hugetlb_mkold(pte_t *p set_huge_pte_at(mm, addr, pte, entry, psize); } -#ifdef CONFIG_MMU_NOTIFIER if (mmu_notifier_clear_young(mm, addr, addr + huge_page_size(hstate_vma(vma)))) referenced = true; -#endif /* CONFIG_MMU_NOTIFIER */ if (referenced) folio_set_young(folio); _ Patches currently in -mm which might be from jthoughton@xxxxxxxxxx are