Messages in this thread | | | Date | Thu, 13 Nov 2014 15:40:35 +0900 | From | Joonsoo Kim <> | Subject | Re: [RFC PATCH 1/5] mm/page_ext: resurrect struct page extending code for debugging |
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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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