On Thu, Jul 30, 2015 at 1:42 PM, Luis R. Rodriguez <mcgrof@xxxxxxxx> wrote:
> On Thu, Jul 30, 2015 at 12:53:45PM -0400, Dan Williams wrote:
>> diff --git a/include/linux/mm.h b/include/linux/mm.h
>> index 2e872f92dbac..84b05ebedb2d 100644
>> --- a/include/linux/mm.h
>> +++ b/include/linux/mm.h
>> @@ -369,7 +369,14 @@ static inline int put_page_unless_one(struct page *page)
>> }
>>
>> extern int page_is_ram(unsigned long pfn);
>> -extern int region_is_ram(resource_size_t phys_addr, unsigned long size);
>> +
>> +enum {
>> + REGION_INTERSECTS,
>> + REGION_DISJOINT,
>> + REGION_MIXED,
>> +};
>> +
>
> Can you Kdoc'ify this? Part of the reason for the enum request was this
> could be then documented really well. The helper is documented but here
> you can go into more detail about each region intersection.
Given region_intersects() has its own kdoc I'd probably just say "See
region_intersects() for details".
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