linux-kernel - Re: [PATCH 1/2] mm: Make alloc_contig

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Date:   Wed, 17 Feb 2021 14:59:40 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     Oscar Salvador <osalvador@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Muchun Song <songmuchun@...edance.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mm: Make alloc_contig_range handle free hugetlb pages

On Wed 17-02-21 14:53:37, David Hildenbrand wrote:
> On 17.02.21 14:50, Michal Hocko wrote:
[...]
> > Do we have any real life examples? Or does this fall more into, let's
> > optimize an existing implementation category.
> > 
> 
> It's a big TODO item I have on my list and I am happy that Oscar is looking
> into it. So yes, I noticed it while working on virtio-mem. It's real.

Do not take me wrong, I am not opposing to the functionality. I am
asking for the specific usecase.

-- 
Michal Hocko
SUSE Labs