[Cc Jerome - email thread starts http://lkml.kernel.org/r/20190617043635.13201-1-alastair@xxxxxxxxxxx] On Mon 17-06-19 17:05:30, Alastair D'Silva wrote: > On Mon, 2019-06-17 at 08:59 +0200, Peter Zijlstra wrote: > > On Mon, Jun 17, 2019 at 02:36:31PM +1000, Alastair D'Silva wrote: > > > From: Alastair D'Silva <alastair@xxxxxxxxxxx> > > > > > > If an external driver module supplies physical memory and needs to > > > expose > > > > Why would you ever want to allow a module to do such a thing? > > > > I'm working on a driver for Storage Class Memory, connected via an > OpenCAPI link. > > The memory is only usable once the card says it's OK to access it. Isn't this what HMM is aiming for? Could you give a more precise description of what the actual storage is, how it is going to be used etc... In other words describe the usecase? -- Michal Hocko SUSE Labs
