On Wed, Nov 12, 2014 at 08:33:40AM -0800, Dave Hansen wrote:
> On 11/12/2014 12:27 AM, Joonsoo Kim wrote:
> > @@ -1092,6 +1096,14 @@ struct mem_section {
> >
> > /* See declaration of similar field in struct zone */
> > unsigned long *pageblock_flags;
> > +#ifdef CONFIG_PAGE_EXTENSION
> > + /*
> > + * If !SPARSEMEM, pgdat doesn't have page_ext pointer. We use
> > + * section. (see page_ext.h about this.)
> > + */
> > + struct page_ext *page_ext;
> > + unsigned long pad;
> > +#endif
>
> Will the distributions be amenable to enabling this? If so, I'm all for
> it if it gets us things like page_owner at runtime.
Yes, I hope so.
At least, I can make it default to our product. But, how distributions
will do is beyond my power. :)
Thanks.
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