linux-kernel - Re: [PATCH v5 3/6] userfaultfd: convert copy_huge_page_from_user() to copy_folio_from

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Date:   Thu, 6 Apr 2023 15:22:04 -0700
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     Peng Zhang <zhangpeng362@...wei.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, willy@...radead.org,
        sidhartha.kumar@...cle.com, vishal.moola@...il.com,
        muchun.song@...ux.dev, wangkefeng.wang@...wei.com,
        sunnanyong@...wei.com
Subject: Re: [PATCH v5 3/6] userfaultfd: convert copy_huge_page_from_user()
 to copy_folio_from_user()

On 03/31/23 17:39, Peng Zhang wrote:
> From: ZhangPeng <zhangpeng362@...wei.com>
> 
> Replace copy_huge_page_from_user() with copy_folio_from_user().
> copy_folio_from_user() does the same as copy_huge_page_from_user(), but
> takes in a folio instead of a page. Convert page_kaddr to kaddr in
> copy_folio_from_user() to do indenting cleanup.
> 
> Signed-off-by: ZhangPeng <zhangpeng362@...wei.com>
> Reviewed-by: Sidhartha Kumar <sidhartha.kumar@...cle.com>
> ---
>  include/linux/mm.h |  7 +++----
>  mm/hugetlb.c       |  5 ++---
>  mm/memory.c        | 26 ++++++++++++--------------
>  mm/userfaultfd.c   |  6 ++----
>  4 files changed, 19 insertions(+), 25 deletions(-)

Thanks,

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