On Tue, 10 Dec 2024 12:05:25 +0100 David Hildenbrand <david@xxxxxxxxxx> wrote: > On 09.12.24 18:36, Claudio Imbrenda wrote: > > On Wed, 4 Dec 2024 16:58:52 +0100 > > David Hildenbrand <david@xxxxxxxxxx> wrote: [...] > >> I know that Claudio is working on some changes, but not sure how that > >> would affect gmap's usage of page->index. > > > > After I'm done, we won't use page->index anymore. > > > > The changes I'm working on are massive, it's very impractical to push > > everything at once, so I'm refactoring and splitting smaller and more > > manageable (and reviewable) series. > > > > This means that it will take some time before I'm done (I'm *hoping* > > to be done for 6.15) > > Thanks for the information. So for the time being, we could likely > switch to page->private. > > One question may be whether these (not-user-space) page tables should at > some point deserve a dedicated memdesc. But likely the question is what maybe? but given that everything is changing all the time, I'm avoiding any magic logic in struct page / struct folio. > it will all look like after your rework. but now that you put my attention on it, I'll try to get rid of page->index rather sooner than later.
