Re: [PATCH RFC 1/9] mm: page_alloc: propagate PageReported flag across buddy splits

[David Hildenbrand (Arm)]

>>
>>
>> This raises a good question: how does buddy merging handle the reported
>> flag?
>>
>> -- 
>> Cheers,
>>
>> David
> 
> 
> IIUC it doesn't: reported pages are never merged, if a page is merged it has
> just entered buddy.

I guess it makes sense: if a page gets freed and we end up merging, the
freed page was not reported yet, so we have to report the whole block.

-- 
Cheers,

David