> Some of the low end single zone machines (m68k, sparc32, arm etc)
> could benefit from losing ->virtual too.
> Sparc32 has kmapping, so it would need virtual.
I'm curious to see how large the tradeoff is with calculating
virtual in page_address(). The overhead there may be larger than
the win we get from better cacheline footprint in struct page
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/