On Wed, 17 Mar 2021 16:31:07 +0000 Alexander Lobakin <aloba...@pm.me> wrote:
> From: Mel Gorman <mgor...@techsingularity.net> > Date: Fri, 12 Mar 2021 15:43:24 +0000 > > Hi there, > > > This series is based on top of Matthew Wilcox's series "Rationalise > > __alloc_pages wrapper" and does not apply to 5.12-rc2. If you want to > > test and are not using Andrew's tree as a baseline, I suggest using the > > following git tree > > > > git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git > > mm-bulk-rebase-v4r2 > > I gave this series a go on my setup, it showed a bump of 10 Mbps on > UDP forwarding, but dropped TCP forwarding by almost 50 Mbps. > > (4 core 1.2GHz MIPS32 R2, page size of 16 Kb, Page Pool order-0 > allocations with MTU of 1508 bytes, linear frames via build_skb(), > GRO + TSO/USO) What NIC driver is this? > I didn't have time to drill into the code, so for now can't provide > any additional details. You can request anything you need though and > I'll try to find a window to collect it. > > > Note to Chuck and Jesper -- as this is a cross-subsystem series, you may > > want to send the sunrpc and page_pool pre-requisites (patches 4 and 6) > > directly to the subsystem maintainers. While sunrpc is low-risk, I'm > > vaguely aware that there are other prototype series on netdev that affect > > page_pool. The conflict should be obvious in linux-next. -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer
