linux-kernel - Re: [PATCHv6 2/3] mm/gup: fix omission of check on FOLL

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Date:   Tue, 17 Mar 2020 19:45:42 +0800
From:   Pingfan Liu <kernelfans@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Linux-MM <linux-mm@...ck.org>, Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Matthew Wilcox <willy@...radead.org>,
        John Hubbard <jhubbard@...dia.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Shuah Khan <shuah@...nel.org>, Jason Gunthorpe <jgg@...pe.ca>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv6 2/3] mm/gup: fix omission of check on FOLL_LONGTERM in
 gup fast path

On Mon, Mar 16, 2020 at 4:55 PM Christoph Hellwig <hch@...radead.org> wrote:
>
[...]
>
> Wrong indentation.  We either align two tabs for continuation
> statements, or after the opening brace of the previous line.  With a
> likely or unlikely thrown in the former IMHO looks much better.  E.g.
>
>                 if (unlikely(flags & FOLL_LONGTERM) &&
>                                 is_migrate_cma_page(page))
>                         return NULL;
>
OK, thanks. I will send out V7 to fix it.

Regards,
Pingfan