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| author |   Eric Dumazet <edumazet@google.com> | 2014-02-20 10:09:18 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-02-22 00:05:21 -0500 |
| commit | f5ddcbbb40aa0ba7fbfe22355d287603dbeeaaac (patch) | |
| tree | 891b56a6481cf19747018c832be557613e5b5a02 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | Merge branch 'tipc' (diff) | |
| download | linux-dev-f5ddcbbb40aa0ba7fbfe22355d287603dbeeaaac.tar.xz linux-dev-f5ddcbbb40aa0ba7fbfe22355d287603dbeeaaac.zip | |
net-tcp: fastopen: fix high order allocations
This patch fixes two bugs in fastopen :
1) The tcp_sendmsg(..., @size) argument was ignored.
Code was relying on user not fooling the kernel with iovec mismatches
2) When MTU is about 64KB, tcp_send_syn_data() attempts order-5
allocations, which are likely to fail when memory gets fragmented.
Fixes: 783237e8daf13 ("net-tcp: Fast Open client - sending SYN-data")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Tested-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions