On Thu, 2016-04-07 at 16:17 +0200, Jesper Dangaard Brouer wrote: > (Topic proposal for MM-summit) > > Network Interface Cards (NIC) drivers, and increasing speeds stress > the page-allocator (and DMA APIs). A number of driver specific > open-coded approaches exists that work-around these bottlenecks in > the > page allocator and DMA APIs. E.g. open-coded recycle mechanisms, and > allocating larger pages and handing-out page "fragments". > > I'm proposing a generic page-pool recycle facility, that can cover > the > driver use-cases, increase performance and open up for zero-copy RX.
Is this based on the page recycle stuff from ixgbe that used to be in the driver? If so I'd really like to be part of the discussion. -PJ -- PJ Waskiewicz Principal Engineer, NetApp e: pj.waskiew...@netapp.com d: 503.961.3705
