Messages in this thread | | | Date | Mon, 17 Jun 2019 09:16:05 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH 5/5] mm/hotplug: export try_online_node |
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[Cc Jerome - email thread starts http://lkml.kernel.org/r/20190617043635.13201-1-alastair@au1.ibm.com]
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@d-silva.org> > > > > > > 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
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