linux-kernel - Re: [RFC PATCH v2 02/47] hugetlb: remove mk_huge

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Date:   Thu, 8 Dec 2022 15:42:24 -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 02/47] hugetlb: remove mk_huge_pte; it is unused

On 10/21/22 16:36, James Houghton wrote:
> mk_huge_pte is unused and not necessary. pte_mkhuge is the appropriate
> function to call to create a HugeTLB PTE (see
> Documentation/mm/arch_pgtable_helpers.rst).
> 
> It is being removed now to avoid complicating the implementation of
> HugeTLB high-granularity mapping.
> 
> Signed-off-by: James Houghton <jthoughton@...gle.com>
> ---
>  arch/s390/include/asm/hugetlb.h | 5 -----
>  include/asm-generic/hugetlb.h   | 5 -----
>  mm/debug_vm_pgtable.c           | 2 +-
>  mm/hugetlb.c                    | 7 +++----
>  4 files changed, 4 insertions(+), 15 deletions(-)

Thanks!

I suspect there is more cleanup of 'hugetlb page table helpers' that
could be done.

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