1899 	unsigned long length, low_limit, high_limit, gap_start, gap_end;  in unmapped_area()  local
1935 		gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0;  in unmapped_area()
1938 		if (gap_start > high_limit)  in unmapped_area()
1941 		    gap_end > gap_start && gap_end - gap_start >= length)  in unmapped_area()
1963 				gap_start = vm_end_gap(vma->vm_prev);  in unmapped_area()
1972 	gap_start = mm->highest_vm_end;  in unmapped_area()
1974 	if (gap_start > high_limit)  in unmapped_area()
1979 	if (gap_start < info->low_limit)  in unmapped_area()
1980 		gap_start = info->low_limit;  in unmapped_area()
1983 	gap_start += (info->align_offset - gap_start) & info->align_mask;  in unmapped_area()
1985 	VM_BUG_ON(gap_start + info->length > info->high_limit);  in unmapped_area()
1986 	VM_BUG_ON(gap_start + info->length > gap_end);  in unmapped_area()
1987 	return gap_start;  in unmapped_area()
1994 	unsigned long length, low_limit, high_limit, gap_start, gap_end;  in unmapped_area_topdown()  local
2015 	gap_start = mm->highest_vm_end;  in unmapped_area_topdown()
2016 	if (gap_start <= high_limit)  in unmapped_area_topdown()
2028 		gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0;  in unmapped_area_topdown()
2029 		if (gap_start <= high_limit && vma->vm_rb.rb_right) {  in unmapped_area_topdown()
2044 		if (gap_start <= high_limit &&  in unmapped_area_topdown()
2045 		    gap_end > gap_start && gap_end - gap_start >= length)  in unmapped_area_topdown()
2067 				gap_start = vma->vm_prev ?  in unmapped_area_topdown()
2085 	VM_BUG_ON(gap_end < gap_start);  in unmapped_area_topdown()