linux-kernel - Re: [PATCH] mm/hugetlb: remove unused local variable dst_entry in copy_hugetlb_page

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Date:   Mon, 22 Aug 2022 11:05:39 +0200
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     Miaohe Lin <linmiaohe@...wei.com>
Cc:     kernel-janitors <kernel-janitors@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Muchun Song <songmuchun@...edance.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux-MM <linux-mm@...ck.org>
Subject: Re: [PATCH] mm/hugetlb: remove unused local variable dst_entry in copy_hugetlb_page_range()

On Mon, Aug 22, 2022 at 10:51 AM Miaohe Lin <linmiaohe@...wei.com> wrote:
>
> On 2022/8/22 16:25, Lukas Bulwahn wrote:
> > Commit a0e4f7b82610 ("mm/hugetlb: make detecting shared pte more reliable")
> > modifies copy_hugetlb_page_range() such that huge_ptep_get(dst_pte) and the
> > local variable dst_entry is not used explicitly in this function.
> >
> > Remove this unused local variable dst_entry in copy_hugetlb_page_range().
> > No functional change.
> >
> > Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
>
> LGTM. Thanks for your patch.
>
> Reviewed-by: Miaohe Lin <linmiaohe@...wei.com>
>
> BTW: I will send a v2 of that series soon. So the above commit id might change.
>

Feel free to just squash this code improvement into your next v2 patch.

Lukas