Re: [PATCH] x86/mm: fix freeing of PMD-sized vmemmap pages

[David Hildenbrand (Arm)]

>  
> -static void __meminit free_hugepage_table(struct page *page,
> +static void __meminit free_vmemmap_pages(struct page *page, unsigned int order,
>  		struct vmem_altmap *altmap)
>  {
> -	if (altmap)
> -		vmem_altmap_free(altmap, PMD_SIZE / PAGE_SIZE);
> -	else
> -		free_pagetable(page, get_order(PMD_SIZE));
> +	if (altmap) {
> +		vmem_altmap_free(altmap, 1u << order);
> +	} else if (PageReserved(page)) {
> +		unsigned long nr_pages = 1 << order;

Staring at this code again, I should move that up so I can reuse it in the
vmem_altmap_free() call.

-- 
Cheers,

David