On 04/10/2014 07:28 PM, Dave Young wrote:
>>
>> +static void add_e820_map_from_mr(struct x86_linux_param_header *real_mode,
>> + struct e820entry *e820, struct memory_range *range, int nr_range)
>> +{
>> + int i;
>> +
>> + for (i = 0; i < nr_range; i++) {
>> + e820[i].addr = range[i].start;
>> + e820[i].size = range[i].end - range[i].start;
>
> I see it's same as original code but I still feel it should be end - start + 1;
>
I can't see how it could possibly be +1.
How do you encode range[].end? If it is inclusive it should be end -
start - 1, if it is a semiclosed range (the normal thing in computer
contexts) then the code above is correct.
-hpa
