On Fri, 13 Nov 2015, Andreas Krebbel1 wrote: > > The slub uses of struct page only require an alignment of the page > struct > > on the stack to a word. So its fine. > > Our compare and swap double hardware instruction unfortunately requires 16 > byte alignment. That's probably the reason why this alignment has been > picked. So I don't think that we can easily get rid of it. The cmpxchg double is not run on the page struct on the stack. Its just used because I wanted to duplicate the counter layout. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>