On Thu, Oct 18, 2018 at 09:04:29PM +0800, Wei Yang wrote: > This is not necessary to save the pfn to page->private. > > The pfn could be retrieved by page_to_pfn() directly. > > Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> > --- > Maybe I missed some critical reason to save pfn to private. > > Thanks in advance if someone could reveal the special reason. Performance. Did you benchmark this?
