From: Andi Kleen <ak@suse.de>
To: "Haruki Dai-r35557" <Dai.Haruki@freescale.com>
Cc: netdev@vger.kernel.org,
"Fleming Andy-afleming" <afleming@freescale.com>,
"Kumar Gala" <galak@kernel.crashing.org>
Subject: Re: [PATCH] Gianfar SKB Recycling Support
Date: Thu, 18 May 2006 12:11:44 +0200 [thread overview]
Message-ID: <200605181211.45061.ak@suse.de> (raw)
In-Reply-To: <18AEF66AFDF06F4CAAA1D419D000FD33524B99@az33exm24.fsl.freescale.net>
>
> With grant of the description, it looks negative in the memory management,
> but actually, the amount of memory usage in the driver layer is less than
> the ordinaly gianfar (around half), especially the NAPI is enable. This
> recycling is introduced in order to chop down the critical path memory
> usage.
Explain?
> Forwarding performance goes up 60 to 100% better, and amount of memory
> usage is half.
And what happens when the box doesn't route and isn't under full network
load?
-Andi
next prev parent reply other threads:[~2006-05-18 11:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-18 2:01 [PATCH] Gianfar SKB Recycling Support Haruki Dai-r35557
2006-05-18 10:11 ` Andi Kleen [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-05-22 1:38 Haruki Dai-r35557
2006-05-22 1:38 ` Haruki Dai-r35557
2006-05-18 2:03 Haruki Dai-r35557
2006-05-17 22:45 Haruki Dai-r35557
2006-05-17 22:49 ` Stephen Hemminger
2006-05-17 22:55 ` Andi Kleen
2006-05-19 17:47 ` Stephen Hemminger
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