netdev - Re: [PATCH net-next 0/3] mlx5e Order-0 pages for Striding RQ

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Date:   Sat, 17 Sep 2016 09:52:09 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     tariqt@...lanox.com
Cc:     netdev@...r.kernel.org, eranbe@...lanox.com, saeedm@...lanox.com
Subject: Re: [PATCH net-next 0/3] mlx5e Order-0 pages for Striding RQ

From: Tariq Toukan <tariqt@...lanox.com>
Date: Thu, 15 Sep 2016 16:08:35 +0300

> In this series, we refactor our Striding RQ receive-flow to always use
> fragmented WQEs (Work Queue Elements) using order-0 pages, omitting the
> flow that allocates and splits high-order pages which would fragment
> and deplete high-order pages in the system.
> 
> The first patch gives a slight degradation, but opens the opportunity
> to using a simple page-cache mechanism of a fair size.
> The page-cache, implemented in patch 3, not only closes the performance
> gap but even gives a gain.
> In patch 2 we re-organize the code to better manage the calls for
> alloc/de-alloc pages in the RX flow.
> 
> Series generated against net-next commit:
> bed806cb266e "Merge branch 'mlxsw-ethtool'"

Series applied, thanks.