Hello, On Fri, Aug 23, 2013 at 03:08:55PM +0200, H. Peter Anvin wrote: > What is the point of 1G+MTRR? If there are caching differences the > TLB will fracture the pages anyway.
Ah, right. Consuming less memory / cachelines would still be a small advantage tho unless creating split TLB from larger mapping is noticeably less efficient. If the extra logic to do that is small, which I think it'd be, it'd be a gain at almost no cost. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
