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mm: damon: use HPAGE_PMD_SIZE

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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 <wangkefeng.wang@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2022-05-17 22:51:20 +08:00 committed by akpm
parent 2b132903de
commit 02e34fff19
3 changed files with 3 additions and 4 deletions
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3
mm/damon/ops-common.c
View File

@ -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 */

2
mm/damon/paddr.c
View File

@ -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 */

2
mm/damon/vaddr.c
View File

@ -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);