mm/damon/vaddr: support folio of neither HPAGE_PMD_SIZE nor PAGE_SIZE

DAMON virtual address space monitoring operations set treats folios having
non-HPAGE_PMD_SIZE size as having PAGE_SIZE size.  Use the exact size of
the folio.

Link: https://lkml.kernel.org/r/20230109213335.62525-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park
2023-01-09 21:33:31 +00:00
committed by Andrew Morton
parent fc8c7d2380
commit 18fd73dbe5

View File

@@ -475,7 +475,7 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr,
goto out;
if (pte_young(*pte) || !folio_test_idle(folio) ||
mmu_notifier_test_young(walk->mm, addr)) {
*priv->folio_sz = PAGE_SIZE;
*priv->folio_sz = folio_size(folio);
priv->young = true;
}
folio_put(folio);