linux-kernel - Re: [PATCH 05/11] mm/hugetlb: make hugetlb migration target allocation APIs CMA aware

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Message-ID: <4c952f57-41d4-bd51-700b-554c1cf9bf6f@oracle.com>
Date:   Thu, 21 May 2020 14:43:27 -0700
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     js1304@...il.com, Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        kernel-team@....com, Vlastimil Babka <vbabka@...e.cz>,
        Christoph Hellwig <hch@...radead.org>,
        Roman Gushchin <guro@...com>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        Michal Hocko <mhocko@...e.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 05/11] mm/hugetlb: make hugetlb migration target
 allocation APIs CMA aware

On 5/17/20 6:20 PM, js1304@...il.com wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@....com>
> 
> There is a user who do not want to use CMA memory for migration. Until
> now, it is implemented by caller side but it's not optimal since there
> is limited information on caller. This patch implements it on callee side
> to get better result.
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Thank you!

Avoiding CMA works much better with this new skip_cma field.

Acked-by: Mike Kravetz <mike.kravetz@...cle.com>

-- 
Mike Kravetz