On Mon, Aug 03, 2026 at 11:19:17AM +0100, Lorenzo Stoakes (ARM) wrote: > On Mon, Aug 03, 2026 at 11:39:11AM +0200, David Hildenbrand (Arm) wrote: > > On 7/30/26 08:32, Gregory Price wrote: > > > On Wed, Jul 29, 2026 at 05:48:39PM +0100, Lorenzo Stoakes (ARM) wrote: > > >> This is potentially useful debugging information and matches the existing > > >> page offset provided. > > >> > > >> Use the raw __linear_anon_page_index() function so as to always output > > >> this > > >> value regardless of whether the mapping is file-backed or not. > > >> > > > > > > Begs the question whether we should mark the value based on whether > > > it is file backed or not, but i suppose you can gleen that from the > > > other printed values (anon_mem, mapping, vm_ops, etc). > > > > You mean something anon_pgoff_t or what did you have in mind? > > I suspect he means e.g. adding a (A) suffix or something? Like page offset xxx > (F) or yyy (A) I guess? >
Yeah just an F/A in the print I suppose. Sorry if that was unclear. If it saves someone the head-scratch of whether some bug is because it's "file" or "true anon", given the ambiguity here, seems like maybe useful debug information. ~Gregory
