> > On Tue, Feb 27, 2018 at 06:19:34PM -0600, Steve Wise wrote: > > > But the rdma devices do support a range of page sizes, and the intent of > > ib_mr.page_size was to express what page_size is being used for that MR. > > I think reporting a min & max page size used in the actual physical > hardware could be useful, but as you noticed the internal page size > thing is pretty useless. > > The drivers aggregate larger pages on their own based on their own > internal capability, so new reporting would need driver changes. The device supported page sizes are advertised already via ib_device_attr.page_size_cap, which is a bit mask of supported page sizes. Steve. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
