> I have checked the links above it looks like it's solved. As far as I can > tell alternative: > 0. change alloc_skb()/skb_add_mtu() to force the allocated size to be a > cache line multiple. > has been impl. in the kernel: > - skb_add_mtu() does not exist anymore. > - alloc_skb() does L1 cache align the size: > size = requested_size + 16; > size = SKB_DATA_ALIGN(size); /* this does L1 cache alignment */ > data = kmalloc(size + sizeof(struct skb_shared_info), gfp_mask); > This makes the skb_shared_info to always start on a new cache line. > There is no risk that it is invalidated by dma_cache_inv() call. > > Jocke
Dan, any doubts still? Jocke ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
