Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000

[Ganesh Venkatesan]

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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