On Wed, Sep 16, 2020 at 04:27:17AM +0100, Matthew Wilcox (Oracle) wrote: > The nr_thps counter is to support THPs in the page cache when the > filesystem doesn't understand THPs. Eventually it will be removed, but > we should still support filesystems which do not understand THPs yet. > Move the nr_thp manipulation functions to filemap.h since they're > page-cache specific. Honestly I don't think we should support the read-only THP crap. We should in fact never have merged that bandaid to start with given that you did good progress on the real thing.
