On Fri, Jul 12, 2013 at 09:19:12PM -0700, Yinghai Lu wrote:
> On Thu, Jul 11, 2013 at 7:03 PM, Robin Holt <h...@sgi.com> wrote:
> > +
> > page = pfn_to_page(pfn);
> > __init_single_page(page, zone, nid, 1);
> > +
> > + if (pfns > 1)
> > + SetPageUninitialized2Mib(page);
> > +
> > + pfn += pfns;
> > }
> > }
> >
> > @@ -6196,6 +6302,7 @@ static const struct trace_print_flags
> > pageflag_names[] = {
> > {1UL << PG_owner_priv_1, "owner_priv_1" },
> > {1UL << PG_arch_1, "arch_1" },
> > {1UL << PG_reserved, "reserved" },
> > + {1UL << PG_uninitialized2mib, "Uninit_2MiB" },
>
> PG_uninitialized_2m ?
>
> > {1UL << PG_private, "private" },
> > {1UL << PG_private_2, "private_2" },
> > {1UL << PG_writeback, "writeback" },
>
> Yinghai
I hadn't actually been very happy with having a PG_uninitialized2mib flag.
It implies if we want to jump to 1Gb pages we would need a second flag,
PG_uninitialized1gb, for that. I was thinking of changing it to
PG_uninitialized and setting page->private to the correct order.
Thoughts?
Nate
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