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

To: Eric Dumazet <dada1@xxxxxxxxxxxxx>
Subject: Re: [PATCH] NUMA aware allocation of transmit and receive buffers for e1000
From: Christoph Lameter <christoph@xxxxxxxxxxx>
Date: Fri, 27 May 2005 14:15:55 -0700 (PDT)
Cc: Andi Kleen <ak@xxxxxx>, netdev@xxxxxxxxxxx, akpm@xxxxxxxx, shai@xxxxxxxxxxxx
In-reply-to: <428AF378.5020109@cosmosbay.com>
References: <Pine.LNX.4.62.0505171854490.20408@graphe.net> <m1sm0l5lwa.fsf@muc.de> <428AF378.5020109@cosmosbay.com>
Sender: netdev-bounce@xxxxxxxxxxx
On Wed, 18 May 2005, Eric Dumazet wrote:

> Related question, is pci_alloc_consistent() already NUMA aware ?

Nope. It also ultimately acquires memory via vmalloc.

pci_alloc_consistent will also need some rework to allocate memory 
consistent (well the name is coherent right?) with the node that the 
device is on. Second case of a need for a node aware vmalloc?


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