On Tue, Apr 26, 2016 at 08:41:50PM +0200, Vlastimil Babka wrote: > On 04/15/2016 11:07 AM, Mel Gorman wrote: > >Signed-off-by: Mel Gorman <[email protected]> > > Acked-by: Vlastimil Babka <[email protected]> > > I wonder, would it be just too ugly to add +1 to > atomic_read(&page->_mapcount) and OR it with the rest for a truly single > branch? >
Interesting thought. I'm not going to do it as a fix but when I'm doing the next round of page allocator material, I'll add it to the pile for evaluation. -- Mel Gorman SUSE Labs

