On Mon, 2011-12-12 at 16:54 +0200, Pekka Enberg wrote: > On Mon, Dec 12, 2011 at 4:47 PM, Sasha Levin <levinsasha...@gmail.com> wrote: > > This patch mmaps guest kernel into it's own memory slot instead of reading > > it into the memory. > > > > The advantages are: > > - Smaller memory footprint (same effect as KSM if running multiple guests) > > KSM isn't free so it's smaller footprint with less CPU cycles. It's > mostly useful for the special case of running tons of guests using the > same kernel image.
Another usecase which I've only first heard about couple of days ago is loading extremely large bzImages. Those images are 300MB+ in size and come with built in filesystem. Apparently it's some sort of a livecd variant. -- Sasha. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
