Re: linux-next: build failure after merge of almost all the trees

[Stephen Rothwell]

Hi all,

On Thu, 28 Oct 2021 23:38:44 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Hi all,
> 
> On Thu, 28 Oct 2021 21:26:51 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > Today's linux-next build (powerpc allyesconfig) failed like this:
> > 
> > fs/ntfs/aops.c: In function 'ntfs_write_mst_block':
> > fs/ntfs/aops.c:1311:1: error: the frame size of 2304 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
> >  1311 | }
> >       | ^
> > cc1: all warnings being treated as errors
> > 
> > I have no idea what has caused this.  
> 
> With a nudge from Arnd, it seems the immediate case was commit
> 
>   f22969a66041 ("powerpc/64s: Default to 64K pages for 64 bit book3s")
> 
> from the powerpc tree switching the allyesconfig build from 4k pages to
> 64k pages which expanded a few arrays on the stack in that function.

Can we do something about this, please?
-- 
Cheers,
Stephen Rothwell

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