commit | 761965eab38d2cbc59c36e355c59609e3a04705a | [log] [tgz] |
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author | Eric Dumazet <eric.dumazet@gmail.com> | Sun Dec 04 07:05:17 2011 +0000 |
committer | David S. Miller <davem@davemloft.net> | Sun Dec 04 13:20:40 2011 -0500 |
tree | 53bc45ee752f8d31323962e5af2e0451376c3b35 | |
parent | 117632e64d2a5f464e491fe221d7169a3814a77b [diff] |
tcp: tcp_sendmsg() page recycling If our TCP_PAGE(sk) is not shared (page_count() == 1), we can set page offset to 0. This permits better filling of the pages on small to medium tcp writes. "tbench 16" results on my dev server (2x4x2 machine) : Before : 3072 MB/s After : 3146 MB/s (2.4 % gain) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>