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mm/damon/vaddr: convert damon_young_pmd_entry() to use a folio

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With damon_get_folio(), let's convert damon_young_pmd_entry()
to use a folio.

Link: https://lkml.kernel.org/r/20221230070849.63358-7-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang
2022-12-30 15:08:47 +08:00
committed by Andrew Morton
parent 07bb1fbaa2
commit dc1b78665b
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
mm/damon/vaddr.c
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@@ -431,7 +431,7 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr,
{
pte_t *pte;
spinlock_t *ptl;
struct page *page;
struct folio *folio;
struct damon_young_walk_private *priv = walk->private;
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
@@ -446,16 +446,16 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr,
spin_unlock(ptl);
goto regular_page;
}
page = damon_get_page(pmd_pfn(*pmd));
if (!page)
folio = damon_get_folio(pmd_pfn(*pmd));
if (!folio)
goto huge_out;
if (pmd_young(*pmd) || !page_is_idle(page) ||
if (pmd_young(*pmd) || !folio_test_idle(folio) ||
mmu_notifier_test_young(walk->mm,
addr)) {
*priv->page_sz = HPAGE_PMD_SIZE;
priv->young = true;
}
put_page(page);
folio_put(folio);
huge_out:
spin_unlock(ptl);
return 0;
@@ -469,15 +469,15 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr,
pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
if (!pte_present(*pte))
goto out;
page = damon_get_page(pte_pfn(*pte));
if (!page)
folio = damon_get_folio(pte_pfn(*pte));
if (!folio)
goto out;
if (pte_young(*pte) || !page_is_idle(page) ||
if (pte_young(*pte) || !folio_test_idle(folio) ||
mmu_notifier_test_young(walk->mm, addr)) {
*priv->page_sz = PAGE_SIZE;
priv->young = true;
}
put_page(page);
folio_put(folio);
out:
pte_unmap_unlock(pte, ptl);
return 0;