Re: linux-next: build warning after merge of the mm tree

Matthew Wilcox
2022-05-05T22:18:53Z

On Fri, May 06, 2022 at 07:35:37AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the mm tree, today's linux-next build (i386 allmodconfig
> clang14) produced this warning:
>
> mm/shmem.c:1704:7: error: variable 'folio' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
>
> Introduced by commit
>
> 2b58b3f33ba2 ("mm/shmem: convert shmem_swapin_page() to shmem_swapin_folio()")
>
> 'folio' is used in the error path.

I sent a repacement series here:

https://lore.kernel.org/linux-mm/20220504182857.4013401-1-willy@infradead.org/T/#t

I presume Andrew has not had a chance to integrate it yet. LSF/MM was
exhausting!