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mm: add missing mmu_notifier_clear_young for !MMU_NOTIFIER

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Remove the now unnecessary ifdef in mm/damon/vaddr.c as well.

Link: https://lkml.kernel.org/r/20241021160212.9935-1-jthoughton@google.com
Signed-off-by: James Houghton <jthoughton@google.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
James Houghton 2024-10-21 16:02:12 +00:00 committed by Andrew Morton
parent 3f1f947a32
commit 628e1b8c47
2 changed files with 7 additions and 2 deletions
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7
include/linux/mmu_notifier.h
View File

@ -606,6 +606,13 @@ static inline int mmu_notifier_clear_flush_young(struct mm_struct *mm,
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)
{

2
mm/damon/vaddr.c
View File

@ -353,11 +353,9 @@ static void damon_hugetlb_mkold(pte_t *pte, struct mm_struct *mm,
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);