vma_can_userfault 1389 fs/userfaultfd.c 		if (!vma_can_userfault(cur))
vma_can_userfault 1446 fs/userfaultfd.c 		BUG_ON(!vma_can_userfault(vma));
vma_can_userfault 1583 fs/userfaultfd.c 		if (!vma_can_userfault(cur))
vma_can_userfault 1597 fs/userfaultfd.c 		BUG_ON(!vma_can_userfault(vma));