From 02e34fff195d3a5f67cbb553795dc109a37d1dcf Mon Sep 17 00:00:00 2001 From: Kefeng Wang Date: Tue, 17 May 2022 22:51:20 +0800 Subject: [PATCH] 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: Kefeng Wang Reviewed-by: SeongJae Park Signed-off-by: Andrew Morton --- 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 e346cc1..10ef20b 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 21474ae..b40ff58 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 77f3263..59e1653 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -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); -- 2.7.4