On Wed, 2010-02-10 at 01:20 -0800, Yinghai Lu wrote: > > The reserve_early() method is list/range based and can handle vast > amounts of not very fragmented memory - perfect for basically all the > real bootmem purposes (which is to bootstrap the buddy). > > reserve_early() allocated memory could be freed into the buddy later > on > as well. The main reason why bootmem is 'destroyed' during > free-to-buddy > is because it has excessive internal bitmaps we want to free. With a > list/range based reserve_early() mechanism there's no such problem - > they can linger indefinitely and there's near zero allocation > management > overhead. " Various archs use lib/lmb.c for representing physical memory and doing early allocations. Might be something to extend ? Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
