732 	if (READ_ONCE(vma->vm_lock_seq) == READ_ONCE(mm->mm_lock_seq.sequence))  in vma_start_read()
759 	if (unlikely(vma->vm_lock_seq == raw_read_seqcount(&mm->mm_lock_seq))) {  in vma_start_read()
803 static bool __is_vma_write_locked(struct vm_area_struct *vma, unsigned int *mm_lock_seq)  in __is_vma_write_locked()  argument
811 	*mm_lock_seq = vma->vm_mm->mm_lock_seq.sequence;  in __is_vma_write_locked()
812 	return (vma->vm_lock_seq == *mm_lock_seq);  in __is_vma_write_locked()
815 void __vma_start_write(struct vm_area_struct *vma, unsigned int mm_lock_seq);
824 	unsigned int mm_lock_seq;  in vma_start_write()  local
826 	if (__is_vma_write_locked(vma, &mm_lock_seq))  in vma_start_write()
829 	__vma_start_write(vma, mm_lock_seq);  in vma_start_write()
834 	unsigned int mm_lock_seq;  in vma_assert_write_locked()  local
836 	VM_BUG_ON_VMA(!__is_vma_write_locked(vma, &mm_lock_seq), vma);  in vma_assert_write_locked()
841 	unsigned int mm_lock_seq;  in vma_assert_locked()  local
844 		      !__is_vma_write_locked(vma, &mm_lock_seq), vma);  in vma_assert_locked()