Re: [PATCH v1 2/4] memblock: update initialization of reserved pages

David Hildenbrand
2021-04-20T13:56:36Z

On 20.04.21 11:09, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> The struct pages representing a reserved memory region are initialized
> using reserve_bootmem_range() function. This function is called for each
> reserved region just before the memory is freed from memblock to the buddy
> page allocator.
>
> The struct pages for MEMBLOCK_NOMAP regions are kept with the default
> values set by the memory map initialization which makes it necessary to
> have a special treatment for such pages in pfn_valid() and
> pfn_valid_within().

Just a general question while thinking about it:

Would we right now initialize the memmap of these pages already via
memmap_init_zone()->memmap_init_range()? (IOW, not marking the
PageReserved?)

--
Thanks,

David / dhildenb