Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c)

Andrew Morton
2020-07-29T01:44:21Z

On Tue, 28 Jul 2020 15:39:21 -0700 Randy Dunlap <rdunlap@infradead.org> wrote:

> On 7/28/20 2:55 PM, Andrew Morton wrote:
> > On Tue, 28 Jul 2020 05:33:58 -0700 Randy Dunlap <rdunlap@infradead.org> wrote:
> >
> >> On 7/27/20 6:19 PM, Andrew Morton wrote:
> >>> The mm-of-the-moment snapshot 2020-07-27-18-18 has been uploaded to
> >>>
> >>> http://www.ozlabs.org/~akpm/mmotm/
>
>
> >> on x86_64:
> >>
> >> ../mm/page_alloc.c:8355:48: warning: ‘struct compact_control’ declared inside parameter list will not be visible outside of this definition or declaration
> >> static int __alloc_contig_migrate_range(struct compact_control *cc,
> >> ^~~~~~~~~~~~~~~
> >
> > As is usually the case with your reports, I can't figure out how to
> > reproduce it. I copy then .config, run `make oldconfig' (need to hit
> > enter a zillion times because the .config is whacky) then the build
> > succeeds. What's the secret?
>
> I was not aware that there was a problem. cp .config and make oldconfig
> should be sufficient -- and I don't understand why you would need to hit
> enter many times.
>
> I repeated this on my system without having to answer any oldconfig prompts
> and still got build errors.
>
> There is no secret that I know of, but it would be good to get to the
> bottom of this problem.

Well the first thing I hit was

Support for big SMP systems with more than 8 CPUs (X86_BIGSMP) [N/y/?] (NEW)

and your .config doesn't mention that.

make mrproper
cp ~/config-randy .config
make oldconfig