linux-kernel - Re: [v2 PATCH] mm: gup: remove FOLL

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Message-ID: <20210401121707.GZ2710221@ziepe.ca>
Date:   Thu, 1 Apr 2021 09:17:07 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Yang Shi <shy828301@...il.com>
Cc:     jhubbard@...dia.com, akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [v2 PATCH] mm: gup: remove FOLL_SPLIT

On Tue, Mar 30, 2021 at 01:38:59PM -0700, Yang Shi wrote:
> Since commit 5a52c9df62b4 ("uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT")
> and commit ba925fa35057 ("s390/gmap: improve THP splitting") FOLL_SPLIT
> has not been used anymore.  Remove the dead code.
> 
> Reviewed-by: John Hubbard <jhubbard@...dia.com>
> Signed-off-by: Yang Shi <shy828301@...il.com>
> ---
> v2: Remove the reference in documentation.
> 
>  Documentation/vm/transhuge.rst |  5 -----
>  include/linux/mm.h             |  1 -
>  mm/gup.c                       | 28 ++--------------------------
>  3 files changed, 2 insertions(+), 32 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason