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

Andrew Morton
2020-07-28T22:31:49Z

On Wed, 29 Jul 2020 08:20:53 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi Andrew,
>
> On Tue, 28 Jul 2020 14:55:53 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
> > config CONTIG_ALLOC
> > def_bool (MEMORY_ISOLATION && COMPACTION) || CMA
> >
> > says this is an improper combination. And `make oldconfig' fixes it up.
> >
> > What's happening here?
>
> CONFIG_VIRTIO_MEM selects CONFIG_CONTIG_ALLOC ...

Argh, select strikes again.

So I guess VIRTIO_MEM should also select COMPACTION?