diff options
| -rw-r--r-- | mm/khugepaged.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index b39ab219d5b7..bd54b957f69a 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -511,11 +511,17 @@ static void release_pte_pages(pte_t *pte, pte_t *_pte, while (--_pte >= pte) { pte_t pteval = *_pte; + unsigned long pfn; - folio = pfn_folio(pte_pfn(pteval)); - if (!pte_none(pteval) && !is_zero_pfn(pte_pfn(pteval)) && - !folio_test_large(folio)) - release_pte_folio(folio); + if (pte_none(pteval)) + continue; + pfn = pte_pfn(pteval); + if (is_zero_pfn(pfn)) + continue; + folio = pfn_folio(pfn); + if (folio_test_large(folio)) + continue; + release_pte_folio(folio); } list_for_each_entry_safe(folio, tmp, compound_pagelist, lru) { |