Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1

To:	Andrew Morton <akpm@xxxxxxxx>
Subject:	Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000
From:	Ganesh Venkatesan <ganesh.venkatesan@xxxxxxxxx>
Date:	Wed, 18 May 2005 08:55:39 -0700
Cc:	Christoph Lameter <christoph@xxxxxxxxxxx>, davem@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, shai@xxxxxxxxxxxx
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On 5/17/05, Andrew Morton <akpm@xxxxxxxx> wrote:
> I think the e1000 driver is being a bit insane there.  I figure that
Do you mean insane to use vmalloc?

> sizeof(struct e1000_buffer) is 28 on 64-bit, so even with 4k pagesize we'll
> always succeed in being able to support a 32k/32 = 1024-entry Tx ring.
> 
> Is there any real-world reason for wanting larger ring sizes than that?
> 
> 
We have had cases where allocation of 32K of memory (via kmalloc) fails. 

ganesh.

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[PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Christoph Lameter Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andrew Morton Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Christoph Lameter Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, David S. Miller Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Christoph Lameter Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andrew Morton Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Ganesh Venkatesan <= Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andrew Morton [PATCH] e1000: NUMA aware allocation of descriptors V2, Christoph Lameter Re: [PATCH] e1000: NUMA aware allocation of descriptors V2, Andrew Morton Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andi Kleen Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andi Kleen Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Eric Dumazet Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andi Kleen Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Christoph Lameter Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000, Andi Kleen

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