On Tue 06-01-15 22:10:55, Vlastimil Babka wrote:
> On 01/06/2015 03:30 PM, Michal Hocko wrote:
[...]
> > diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> > index 1bb65e6f48dd..1682d766cb8e 100644
> > --- a/mm/page_alloc.c
> > +++ b/mm/page_alloc.c
> > @@ -2175,10 +2175,11 @@ zonelist_scan:
> > }
> >
> > try_this_zone:
> > - page = buffered_rmqueue(preferred_zone, zone, order,
> > + do {
> > + page = buffered_rmqueue(preferred_zone, zone, order,
> > gfp_mask, migratetype);
> > - if (page)
> > - break;
> > + } while (page && prep_new_page(page, order, gfp_mask,
> > + alloc_flags));
>
> Hm but here we wouldn't return page on success.
Right.
> I wonder if you overlooked the return, hence your "not breaking out of
> the loop" remark?
This was merely to show the intention. Sorry for not being clear enough.
--
Michal Hocko
SUSE Labs
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