Re: [RFC] mm/migrate: Add new migration reason MR_HUGETLB

From: Anshuman Khandual
Date: Tue Jan 30 2018 - 00:16:46 EST


On 01/30/2018 08:37 AM, Anshuman Khandual wrote:
> @@ -7621,8 +7622,13 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
> &cc->migratepages);
> cc->nr_migratepages -= nr_reclaimed;
>
> + if (migratetype == MIGRATE_CMA)
> + migrate_reason = MR_CMA;
> + else
> + migrate_reason = MR_HUGETLB;
> +
> ret = migrate_pages(&cc->migratepages, new_page_alloc_contig,

Oops, this is on top of the changes from the other RFC regarding migration
helper functions.