linux-kernel - Re: [PATCH 1/4] mm: hugetlb: use flush_hugetlb_tlb_range() in move_hugetlb_page

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Date:   Tue, 1 Aug 2023 10:06:30 +0800
From:   Muchun Song <muchun.song@...ux.dev>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Mina Almasry <almasrymina@...gle.com>, kirill@...temov.name,
        joel@...lfernandes.org, william.kucharski@...cle.com,
        kaleshsingh@...gle.com, linux-mm@...ck.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] mm: hugetlb: use flush_hugetlb_tlb_range() in
 move_hugetlb_page_tables()



> On Jul 31, 2023, at 15:48, Kefeng Wang <wangkefeng.wang@...wei.com> wrote:
> 
> Archs may need to do special things when flushing hugepage tlb,
> so use the more applicable flush_hugetlb_tlb_range() instead of
> flush_tlb_range().
> 
> Fixes: 550a7d60bd5e ("mm, hugepages: add mremap() support for hugepage backed vma")
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>

Acked-by: Muchun Song <songmuchun@...edance.com>