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Commit 35f3d14 (pipe: add support for shrinking and growing pipes) added a slowdown for splice(socket -> pipe), as we might grow the spd used in skb_splice_bits() for each skb we process in splice() syscall. Its not needed since skb lengths are capped. The default on-stack arrays are more than enough. Use MAX_SKB_FRAGS instead of PIPE_DEF_BUFFERS to describe the reasonable limit per skb. Add coalescing support to help splicing of GRO skbs built from linear skbs (linked into frag_list) Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet
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David S. Miller
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Apr 24, 2012
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