The patch titled
Subject: mm: damon: use HPAGE_PMD_SIZE
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-use-hpage_pmd_size.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-use-hpage_pmd_size.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: damon: use HPAGE_PMD_SIZE
Date: Tue, 17 May 2022 22:51:20 +0800
Use HPAGE_PMD_SIZE instead of open coding.
Link: https://lkml.kernel.org/r/20220517145120.118523-1-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/ops-common.c | 3 +--
mm/damon/paddr.c | 2 +-
mm/damon/vaddr.c | 2 +-
3 files changed, 3 insertions(+), 4 deletions(-)
--- a/mm/damon/ops-common.c~mm-damon-use-hpage_pmd_size
+++ a/mm/damon/ops-common.c
@@ -73,8 +73,7 @@ void damon_pmdp_mkold(pmd_t *pmd, struct
}
#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 */
--- a/mm/damon/paddr.c~mm-damon-use-hpage_pmd_size
+++ a/mm/damon/paddr.c
@@ -106,7 +106,7 @@ static bool __damon_pa_young(struct foli
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 */
--- a/mm/damon/vaddr.c~mm-damon-use-hpage_pmd_size
+++ a/mm/damon/vaddr.c
@@ -443,7 +443,7 @@ static int damon_young_pmd_entry(pmd_t *
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);
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-damon-use-hpage_pmd_size.patch
