On Tue, Jul 02, 2013 at 11:15:16AM +0530, Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> > > Powerpc architecture uses a hash based page table mechanism for mapping virtual > addresses to physical address. The architecture require this hash page table to > be physically contiguous. With KVM on Powerpc currently we use early reservation > mechanism for allocating guest hash page table. This implies that we need to > reserve a big memory region to ensure we can create large number of guest > simultaneously with KVM on Power. Another disadvantage is that the reserved memory > is not available to rest of the subsystems and and that implies we limit the total > available memory in the host. > > This patch series switch the guest hash page table allocation to use > contiguous memory allocator. > > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Acked-by: Paul Mackerras <paulus@xxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>