| Subject | Re: [RFC 1/8] mm: Define coherent device memory node | From | Dave Hansen <> | Date | Mon, 24 Oct 2016 10:09:23 -0700 |
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> +#ifdef CONFIG_COHERENT_DEVICE > +#define node_cdm(nid) (NODE_DATA(nid)->coherent_device) > +#define set_cdm_isolation(nid) (node_cdm(nid) = 1) > +#define clr_cdm_isolation(nid) (node_cdm(nid) = 0) > +#define isolated_cdm_node(nid) (node_cdm(nid) == 1) > +#else > +#define set_cdm_isolation(nid) () > +#define clr_cdm_isolation(nid) () > +#define isolated_cdm_node(nid) (0) > +#endif
FWIW, I think adding all this "cdm" gunk in the names is probably a bad thing.
I can think of other memory types that are coherent, but non-device-based that might want behavior like this.
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