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authorKefeng Wang <wangkefeng.wang@huawei.com>2022-05-17 17:51:20 +0300
committerakpm <akpm@linux-foundation.org>2022-05-20 00:08:55 +0300
commit02e34fff195d3a5f67cbb553795dc109a37d1dcf (patch)
tree1405b158ce6e8f338ee75aac6d8c7308f6373e3a /mm
parent2b132903de7124dd9a758be0c27562e91a510848 (diff)
downloadlinux-02e34fff195d3a5f67cbb553795dc109a37d1dcf.tar.xz
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 <wangkefeng.wang@huawei.com> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/damon/ops-common.c3
-rw-r--r--mm/damon/paddr.c2
-rw-r--r--mm/damon/vaddr.c2
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 77f326323e74..59e1653799f8 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);