From: Anton Blanchard <[EMAIL PROTECTED]>
Date: Sat, 25 Mar 2006 23:19:29 +1100
> Previously we added NET_IP_ALIGN so an architecture can override the
> padding done to align headers. The next step is to allow the skb
> headroom to be overridden.
>
> We currently always reserve 16 bytes to grow i
Previously we added NET_IP_ALIGN so an architecture can override the
padding done to align headers. The next step is to allow the skb
headroom to be overridden.
We currently always reserve 16 bytes to grow into, meaning all DMAs
start 16 bytes into a cacheline. On ppc64 we really want DMA writes