diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 530e6427f823..62fe06bb7d04 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2134,9 +2134,10 @@ int khugepaged_enter_vma_merge(struct vm_area_struct *vma, * page fault if needed. */ return 0; - if (vma->vm_ops || (vm_flags & VM_NO_THP)) + if (vma->vm_ops) /* khugepaged not yet working on file or special mappings */ return 0; + VM_BUG_ON_VMA(vm_flags & VM_NO_THP, vma); hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK; hend = vma->vm_end & HPAGE_PMD_MASK; if (hstart < hend) @@ -2497,7 +2498,8 @@ static bool hugepage_vma_check(struct vm_area_struct *vma) return false; if (is_vma_temporary_stack(vma)) return false; - return !(vma->vm_flags & VM_NO_THP); + VM_BUG_ON_VMA(vma->vm_flags & VM_NO_THP, vma); + return true; } static void collapse_huge_page(struct mm_struct *mm, |