linux-kernel - Re: [RFC PATCH v2 17/47] hugetlb: make hugetlb_change

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Message-ID: <Y5tkP8qUdsAzAe7D@monkey>
Date:   Thu, 15 Dec 2022 10:15:27 -0800
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     James Houghton <jthoughton@...gle.com>
Cc:     Muchun Song <songmuchun@...edance.com>,
        Peter Xu <peterx@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Mina Almasry <almasrymina@...gle.com>,
        Zach O'Keefe <zokeefe@...gle.com>,
        Manish Mishra <manish.mishra@...anix.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Yang Shi <shy828301@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 17/47] hugetlb: make hugetlb_change_protection
 compatible with HGM

On 10/21/22 16:36, James Houghton wrote:
> The main change here is to do a high-granularity walk and pulling the
> shift from the walk (not from the hstate).
> 
> Signed-off-by: James Houghton <jthoughton@...gle.com>
> ---
>  mm/hugetlb.c | 65 ++++++++++++++++++++++++++++++++++++----------------
>  1 file changed, 45 insertions(+), 20 deletions(-)

Nothing stands out.  The more patches I look at, the more familiar I am
becoming with the new data structures and interfaces.

-- 
Mike Kravetz