On Mon, Dec 17, 2018 at 09:02:03PM -0800, Andy Lutomirski wrote: > That's what unmap_mapping_range(), etc do for you, no? IOW make a > struct address_space that represents the logical enclave address > space, i.e. address 0 is the start and the pages count up from there. > You can unmap pages whenever you want, and the core mm code will take > care of zapping the pages from all vmas referencing that > address_space. OK, so it does. Did not have time to look at it last night (about 3AM) :-) Yes, we could use that to do the N process zapping. Based on this discussion I can take the first steps with the swapping code. And yeah, I don't think we need anon inode for this one. Can just use the dev inode (did not check in detail but on the surface looks like it). /Jarkko
