On Tue, 2013-11-12 at 14:21 -0800, Michael Dalton wrote: > The virtio-net driver currently uses netdev_alloc_frag() for GFP_ATOMIC > mergeable rx buffer allocations. This commit migrates virtio-net to use > per-receive queue page frags for GFP_ATOMIC allocation. This change unifies > mergeable rx buffer memory allocation, which now will use skb_refill_frag() > for both atomic and GFP-WAIT buffer allocations. > > To address fragmentation concerns, if after buffer allocation there > is too little space left in the page frag to allocate a subsequent > buffer, the remaining space is added to the current allocated buffer > so that the remaining space can be used to store packet data. > > Signed-off-by: Michael Dalton <mwdalton@xxxxxxxxxx> > --- Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx> _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
