1931 	unsigned long length, low_limit, high_limit, gap_start, gap_end;  in unmapped_area()  local
1967 		gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0;  in unmapped_area()
1970 		if (gap_start > high_limit)  in unmapped_area()
1973 		    gap_end > gap_start && gap_end - gap_start >= length)  in unmapped_area()
1995 				gap_start = vm_end_gap(vma->vm_prev);  in unmapped_area()
2004 	gap_start = mm->highest_vm_end;  in unmapped_area()
2006 	if (gap_start > high_limit)  in unmapped_area()
2011 	if (gap_start < info->low_limit)  in unmapped_area()
2012 		gap_start = info->low_limit;  in unmapped_area()
2015 	gap_start += (info->align_offset - gap_start) & info->align_mask;  in unmapped_area()
2017 	VM_BUG_ON(gap_start + info->length > info->high_limit);  in unmapped_area()
2018 	VM_BUG_ON(gap_start + info->length > gap_end);  in unmapped_area()
2019 	return gap_start;  in unmapped_area()
2026 	unsigned long length, low_limit, high_limit, gap_start, gap_end;  in unmapped_area_topdown()  local
2047 	gap_start = mm->highest_vm_end;  in unmapped_area_topdown()
2048 	if (gap_start <= high_limit)  in unmapped_area_topdown()
2060 		gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0;  in unmapped_area_topdown()
2061 		if (gap_start <= high_limit && vma->vm_rb.rb_right) {  in unmapped_area_topdown()
2076 		if (gap_start <= high_limit &&  in unmapped_area_topdown()
2077 		    gap_end > gap_start && gap_end - gap_start >= length)  in unmapped_area_topdown()
2099 				gap_start = vma->vm_prev ?  in unmapped_area_topdown()
2117 	VM_BUG_ON(gap_end < gap_start);  in unmapped_area_topdown()