Re: [PATCH v4 0/4] Make alloc_contig_range handle Hugetlb pages

[Oscar Salvador]

On Wed, Mar 17, 2021 at 11:05:23AM +0100, Oscar Salvador wrote:
> From e97175b7d4970cbdcbafcf8c398f72a571e817b0 Mon Sep 17 00:00:00 2001
> From: Oscar Salvador <osalvador@xxxxxxx>
> Date: Thu, 18 Mar 2021 05:03:18 +0100
> Subject: [PATCH] mm,page_alloc: Drop unnecesary checks from
>  pfn_range_valid_contig
> 
> pfn_range_valid_contig() bails out when it finds an in-use page or a
> hugetlb page, among other things.
> We can drop the in-use page check since __alloc_contig_pages can migrate
> away those pages, and the hugetlb page check can go too since
> isolate_migratepages_range is now capable of dealing with hugetlb pages.
> 
> Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>

Of course, missing a Suggested-by: David Hildenbrand <david@xxxxxxxxxx>

 

-- 
Oscar Salvador
SUSE L3