linux-kernel - Re: [PATCH] mm/filemap: Fix warning: no previous prototype

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Message-ID: <CAFqt6zYeDstXBHP+DCyBdmL4vDFBGekv7jrknU5c175sKVax4w@mail.gmail.com>
Date:   Fri, 18 Dec 2020 09:39:30 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Xiangyang Yu <yuxiangyang4@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux-MM <linux-mm@...ck.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/filemap: Fix warning: no previous prototype

On Thu, Dec 17, 2020 at 7:53 AM Matthew Wilcox <willy@...radead.org> wrote:
>
> On Thu, Dec 17, 2020 at 10:03:11AM +0800, Xiangyang Yu wrote:
> > Fixed the warning when building with warnings enabled (W=1),
> > This function is only used in filemap.c, so mark this function
> > with 'static'.
>
> Good grief, no.  Look at the git history before proposing a patch.

revert "mm/filemap: add static for function __add_to_page_cache_locked"
Revert commit 3351b16af494 ("mm/filemap: add static for function
__add_to_page_cache_locked") due to incompatibility with
ALLOW_ERROR_INJECTION which result in build errors.

>