Christoph Lameter a écrit :
On Mon, 12 Nov 2007, Herbert Xu wrote:
David Miller <davem@xxxxxxxxxxxxx> wrote:
Each IP compression tunnel instance does an alloc_percpu().
Actually all IPComp tunnels share one set of objects which are
allocated per-cpu. So only the first tunnel would do that.
Ahh so the need to be able to expand per cpu memory storage on demand
is not as critical as we thought.
Yes, but still desirable for future optimizations.
For example, I do think using a per cpu memory storage on net_device refcnt &
last_rx could give us some speedups.
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