1855 	unsigned long length, low_limit, high_limit, gap_start, gap_end;  in unmapped_area()  local
1891 		gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0;  in unmapped_area()
1894 		if (gap_start > high_limit)  in unmapped_area()
1897 		    gap_end > gap_start && gap_end - gap_start >= length)  in unmapped_area()
1919 				gap_start = vm_end_gap(vma->vm_prev);  in unmapped_area()
1928 	gap_start = mm->highest_vm_end;  in unmapped_area()
1930 	if (gap_start > high_limit)  in unmapped_area()
1935 	if (gap_start < info->low_limit)  in unmapped_area()
1936 		gap_start = info->low_limit;  in unmapped_area()
1939 	gap_start += (info->align_offset - gap_start) & info->align_mask;  in unmapped_area()
1941 	VM_BUG_ON(gap_start + info->length > info->high_limit);  in unmapped_area()
1942 	VM_BUG_ON(gap_start + info->length > gap_end);  in unmapped_area()
1943 	return gap_start;  in unmapped_area()
1950 	unsigned long length, low_limit, high_limit, gap_start, gap_end;  in unmapped_area_topdown()  local
1971 	gap_start = mm->highest_vm_end;  in unmapped_area_topdown()
1972 	if (gap_start <= high_limit)  in unmapped_area_topdown()
1984 		gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0;  in unmapped_area_topdown()
1985 		if (gap_start <= high_limit && vma->vm_rb.rb_right) {  in unmapped_area_topdown()
2000 		if (gap_start <= high_limit &&  in unmapped_area_topdown()
2001 		    gap_end > gap_start && gap_end - gap_start >= length)  in unmapped_area_topdown()
2023 				gap_start = vma->vm_prev ?  in unmapped_area_topdown()
2041 	VM_BUG_ON(gap_end < gap_start);  in unmapped_area_topdown()