Commit 02e34fff authored by Kefeng Wang's avatar Kefeng Wang Committed by Andrew Morton
Browse files

mm: damon: use HPAGE_PMD_SIZE 

Use HPAGE_PMD_SIZE instead of open coding.

Link: https://lkml.kernel.org/r/20220517145120.118523-1-wangkefeng.wang@huawei.com


Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: default avatarSeongJae Park <sj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 2b132903

mm/damon/ops-common.c

+1 −2
Original line number Diff line number Diff line
@@ -73,8 +73,7 @@ void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr) 
	}



#ifdef CONFIG_MMU_NOTIFIER

	if (mmu_notifier_clear_young(mm, addr,

				addr + ((1UL) << HPAGE_PMD_SHIFT)))

	if (mmu_notifier_clear_young(mm, addr, addr + HPAGE_PMD_SIZE))

		referenced = true;

#endif /* CONFIG_MMU_NOTIFIER */

mm/damon/paddr.c

+1 −1
Original line number Diff line number Diff line
@@ -106,7 +106,7 @@ static bool __damon_pa_young(struct folio *folio, struct vm_area_struct *vma, 
			result->accessed = pmd_young(*pvmw.pmd) ||

				!folio_test_idle(folio) ||

				mmu_notifier_test_young(vma->vm_mm, addr);

			result->page_sz = ((1UL) << HPAGE_PMD_SHIFT);

			result->page_sz = HPAGE_PMD_SIZE;

#else

			WARN_ON_ONCE(1);

#endif	/* CONFIG_TRANSPARENT_HUGEPAGE */

mm/damon/vaddr.c

+1 −1
Original line number Diff line number Diff line
@@ -442,7 +442,7 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr, 
		if (pmd_young(*pmd) || !page_is_idle(page) ||

					mmu_notifier_test_young(walk->mm,

						addr)) {

			*priv->page_sz = ((1UL) << HPAGE_PMD_SHIFT);

			*priv->page_sz = HPAGE_PMD_SIZE;

			priv->young = true;

		}

		put_page(page);