userfaultfd_armed
if (!userfaultfd_armed(vma) &&
if (userfaultfd_armed(vma) && !(vma->vm_flags & VM_SHARED))
if (!userfaultfd_armed(vma) &&
if (userfaultfd_armed(vma))
if (unlikely(userfaultfd_armed(vma)))
if (unlikely(userfaultfd_armed(vma)))
if (unlikely(userfaultfd_armed(vma)) || unlikely(needs_fallback)) {
if (userfaultfd_armed(vma))
!userfaultfd_armed(vma)) {
!userfaultfd_armed(vma)) {
if ((vma && unlikely(userfaultfd_armed(vma))) ||