On Tue, Apr 24, 2018 at 4:55 AM, Konstantin Belousov <kostikbel at gmail.com> wrote: > +#ifndef MLX5E_MAX_RX_BYTES > +#define MLX5E_MAX_RX_BYTES MCLBYTES > +#endif Why do you use a 2KB buffer rather than a PAGE_SIZE'd buffer? MJUMPAGESIZE should offer significantly better performance for jumbo frames without increasing the risk of memory fragmentation.