On 14.09.2012, at 14:45, Paul Mackerras wrote: > On Fri, Sep 14, 2012 at 02:13:37PM +0200, Alexander Graf wrote: > >> So do you think it makes more sense to reimplement a large page allocator in KVM, as this patch set does, or improve CMA to get us really big chunks of linear memory? >> >> Let's ask the Linux mm guys too :). Maybe they have an idea. > > I asked the authors of CMA, and apparently it's not limited to > MAX_ORDER as I feared. It has the advantage that the memory can be > used for other things such as page cache when it's not needed, but not > for immovable allocations such as kmalloc. I'm going to try it out. > It will need a patch to increase the maximum alignment it allows. Awesome. Thanks a lot. I'd really prefer if we can stick to generic Linux solutions rather than invent our own :). Alex -- 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