On Tue, Jul 15, 2014 at 12:34 PM, Toshi Kani <[email protected]> wrote: > This patch changes reserve_memtype() to handle the new WT type. > When (!pat_enabled && new_type), it continues to set either WB > or UC- to *new_type. When pat_enabled, it can reserve a given > non-RAM range for WT. At this point, it may not reserve a RAM > range for WT since reserve_ram_pages_type() uses the page flags > limited to three memory types, WB, WC and UC.
FWIW, last time I looked at this, it seemed like all the fancy reserve_ram_pages stuff was unnecessary: shouldn't the RAM type be easy to track in the direct map page tables? --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
