Re: [PATCH 3/4] mm/mm_init: drop deferred_init_maxorder()

[David Hildenbrand]

>   
> -static unsigned long __init
> -deferred_init_memmap_chunk(unsigned long start_pfn, unsigned long end_pfn,
> -			   struct zone *zone)
> -{
> -	unsigned long nr_pages = 0;
> -	unsigned long spfn, epfn;
> -	u64 i = 0;
> +		while (spfn < epfn) {
> +			unsigned long mo_pfn = ALIGN(spfn + 1, MAX_ORDER_NR_PAGES);
> +			unsigned long chunk_end = min(mo_pfn, epfn);
>   
> -	deferred_init_mem_pfn_range_in_zone(&i, zone, &spfn, &epfn, start_pfn);
> +			nr_pages += deferred_init_pages(zone, spfn, chunk_end);
> +			deferred_free_pages(spfn, chunk_end - spfn);


I assume the expectation is that all PFNs in the start_pfn -> end_pfn 
range will go to this zone, correct?

--
Cheers

David / dhildenb