On Mon, 11 Jun 2018, Matthew Wilcox wrote: > > I think we all like the idea of being able to look at a page [1] and > determine what it's used for. We have two places that we already look: > > PageSlab > page_type Since we already have PageSlab: Is it possible to use that flag differently so that it is maybe something like PageTyped(xx)? I think there may be some bits available somewhere if PageSlab( is set and these typed pages usually are not on the lru. So if its untyped the page is on LRU otherwise the type can be identified somehow?
