On Wed, Apr 18, 2018 at 11:49:09AM -0700, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > This gives us five words of space in a single union in struct page. > The compound_mapcount moves position (from offset 24 to offset 20) > on 64-bit systems, but that does not seem likely to cause any trouble. Yeah, it should be fine. Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kirill A. Shutemov
