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ba0509b688
The function build_skb() also have the responsibility to allocate and clear the SKB structure. Introduce a new function build_skb_around(), that moves the responsibility of allocation and clearing to the caller. This allows caller to use kmem_cache (slab/slub) bulk allocation API. Next patch use this function combined with kmem_cache_alloc_bulk. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>