On 06/25/2013 11:40 AM, Yinghai Lu wrote: > On Tue, Jun 25, 2013 at 11:17 AM, H. Peter Anvin <h...@zytor.com> wrote: >> On 06/25/2013 10:35 AM, Mike Travis wrote: > >> However, please consider Ingo's counterproposal of doing this via the >> buddy allocator, i.e. hugepages being broken on demand. That is a >> *very* powerful model, although would require more infrastructure. > > Can you or Ingo elaborate more about the buddy allocator proposal? >
Start by initializing 1G hyperpages only, but mark them so that the allocator knows that if it needs to break them apart it has to initialize the page structures for the 2M subpages. Same thing with 2M -> 4K. -hpa -- 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/