[PATCH v1 13/36] mm/hugetlb: cleanup hugetlb_folio_init_tail_vmemmap()

David Hildenbrand david at redhat.com
Fri Aug 29 05:00:37 PDT 2025


On 28.08.25 10:37, Mike Rapoport wrote:
> On Thu, Aug 28, 2025 at 10:18:23AM +0200, David Hildenbrand wrote:
>> On 28.08.25 10:06, Mike Rapoport wrote:
>>> On Thu, Aug 28, 2025 at 09:44:27AM +0200, David Hildenbrand wrote:
>>>> On 28.08.25 09:21, Mike Rapoport wrote:
>>>>> On Thu, Aug 28, 2025 at 12:01:17AM +0200, David Hildenbrand wrote:
>>>>>> +	/*
>>>>>> +	 * We mark all tail pages with memblock_reserved_mark_noinit(),
>>>>>> +	 * so these pages are completely uninitialized.
>>>>>
>>>>>                                 ^ not? ;-)
>>>>
>>>> Can you elaborate?
>>>
>>> Oh, sorry, I misread "uninitialized".
>>> Still, I'd phrase it as
>>>
>>> 	/*
>>> 	 * We marked all tail pages with memblock_reserved_mark_noinit(),
>>> 	 * so we must initialize them here.
>>> 	 */
>>
>> I prefer what I currently have, but thanks for the review.
> 
> No strong feelings, feel free to add
> 
> Reviewed-by: Mike Rapoport (Microsoft) <rppt at kernel.org>
> 

I now have

"As we marked all tail pages with memblock_reserved_mark_noinit(), we 
must initialize them ourselves here."

-- 
Cheers

David / dhildenb




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