Jesper Dangaard Brouer <bro...@redhat.com> wrote: > From: Ilias Apalodimas <ilias.apalodi...@linaro.org> > > This patch is changing struct sk_buff, and is thus per-definition > controversial. > > Place a new member 'mem_info' of type struct xdp_mem_info, just after > members (flags) head_frag and pfmemalloc, And not in between > headers_start/end to ensure skb_copy() and pskb_copy() work as-is. > Copying mem_info during skb_clone() is required. This makes sure that > pages are correctly freed or recycled during the altered > skb_free_head() invocation.
I read this to mean that this 'info' isn't accessed/needed until skb is freed. Any reason its not added at the end? This would avoid moving other fields that are probably accessed more frequently during processing.
