diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index bce28cca73a1..64a3239b6407 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -7246,7 +7246,12 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, pte = (pte_t *)pmd_alloc(mm, pud, addr); } } - BUG_ON(pte && pte_present(ptep_get(pte)) && !pte_huge(ptep_get(pte))); + + if (pte) { + pte_t pteval = ptep_get_lockless(pte); + + BUG_ON(pte_present(pteval) && !pte_huge(pteval)); + } return pte; } |