On Wed, Sep 10, 2014 at 9:51 AM, Toshi Kani <toshi.kani@xxxxxx> wrote: > +Drivers may map the entire NV-DIMM range with ioremap_cache and then change > +a specific range to wt with set_memory_wt. That's mighty specific :) It's also not all that informative. Are you supposed to set the memory back before iounmapping? Can you do this with set_memory_wc on an uncached mapping? --Andy -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>