On Wed, Jun 23, 2021 at 10:15:20AM +0200, Christoph Hellwig wrote: > On Tue, Jun 22, 2021 at 01:15:19PM +0100, Matthew Wilcox (Oracle) wrote: > > mem_cgroup_charge() already assumed it was being passed a non-tail > > page (and looking at the callers, that's true; it's called for freshly > > allocated pages). The only real change here is that folio_nr_pages() > > doesn't compile away like thp_nr_pages() does as folio support > > is not conditional on transparent hugepage support. Reimplement > > mem_cgroup_charge() as a wrapper around folio_charge_cgroup(). > > Maybe rename __mem_cgroup_charge to __folio_charge_cgroup as well? Oh, yeah, should have done that. Thanks.
