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Date:   Fri, 6 May 2022 07:38:29 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Andrew Morton <akpm@linux-foundation.org>
Cc:     "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build warning after merge of the mm tree
Message-ID: <20220506073829.5545ff1a@canb.auug.org.au>
In-Reply-To: <20220506073537.6da48a27@canb.auug.org.au>
References: <20220506073537.6da48a27@canb.auug.org.au>
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Hi all,

On Fri, 6 May 2022 07:35:37 +1000 Stephen Rothwell <sfr@canb.auug.org.au> w=
rote:
>
> After merging the mm tree, today's linux-next build (i386 allmodconfig
> clang14) produced this warning:
>=20
> mm/shmem.c:1704:7: error: variable 'folio' is used uninitialized whenever=
 'if' condition is true [-Werror,-Wsometimes-uninitialized]
>=20
> Introduced by commit
>=20
>   2b58b3f33ba2 ("mm/shmem: convert shmem_swapin_page() to shmem_swapin_fo=
lio()")
>=20
> 'folio' is used in the error path.

This is actually a build failure.

--=20
Cheers,
Stephen Rothwell

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