Messages in this thread | | | Date | Wed, 18 May 2005 08:55:39 -0700 | From | Ganesh Venkatesan <> | Subject | Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000 |
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On 5/17/05, Andrew Morton <akpm@osdl.org> 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.
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