[PATCH] mm: damon: Use HPAGE_PMD_SIZE

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Using HPAGE_PMD_SIZE instead of open code.

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
 mm/damon/ops-common.c | 3 +--
 mm/damon/paddr.c      | 2 +-
 mm/damon/vaddr.c      | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/damon/ops-common.c b/mm/damon/ops-common.c
index e346cc10d143..10ef20b2003f 100644
--- a/mm/damon/ops-common.c
+++ b/mm/damon/ops-common.c
@@ -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 */
 
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 21474ae63bc7..b40ff5811bb2 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -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 */
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index 9a56ff60f244..5767be72c181 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -443,7 +443,7 @@ 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);
-- 
2.35.3





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