linux-kernel - Re: [PATCH 2/2] mm: Make alloc_contig

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Message-ID: <YC0b39IfoI+c0ts1@dhcp22.suse.cz>
Date:   Wed, 17 Feb 2021 14:36:31 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Oscar Salvador <osalvador@...e.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        David Hildenbrand <david@...hat.com>,
        Muchun Song <songmuchun@...edance.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] mm: Make alloc_contig_range handle in-use hugetlb
 pages

On Wed 17-02-21 11:08:16, Oscar Salvador wrote:
> In-use hugetlb pages can be migrated as any other page (LRU
> and Movable), so let alloc_contig_range handle them.
> 
> All we need is to succesfully isolate such page.

Again, this is missing a problem statement and a justification why we
want/need this.
-- 
Michal Hocko
SUSE Labs