On Wed, Dec 09, 2015 at 10:00:02AM +0000, Shachar Raindel wrote: > As far as gain is concerned, we are seeing gains in two cases here: > 1. If the system has lots of non-fragmented, free memory, you can create > large contig blocks that are above the CPU huge page size. > 2. If the system memory is very fragmented, you cannot allocate huge pages. > However, an API that allows you to create small (i.e. 64KB, 128KB, etc.) > contig blocks reduces the load on the HW page tables and caches.
None of that is a uniqueue requirement for the mlx4 devices. Again, please work with the memory management folks to address your requirements in a generic way! -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
