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| author | Takashi Iwai <tiwai@suse.de> | 2010-09-03 22:38:52 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-03 22:38:52 +0200 |
| commit | 68885a3ff38ed51fa02f241feb405c9922a90ee0 (patch) | |
| tree | 2fc626df39d5e0e1f6b065238141f7d49187c737 /include/net/tcp.h | |
| parent | 7b28079b3284ccb15ad4f003fb7073890600d0c1 (diff) | |
| parent | a2acad8298a42b7be684a32fafaf83332bba9c2b (diff) | |
| download | kernel_samsung_crespo-68885a3ff38ed51fa02f241feb405c9922a90ee0.zip kernel_samsung_crespo-68885a3ff38ed51fa02f241feb405c9922a90ee0.tar.gz kernel_samsung_crespo-68885a3ff38ed51fa02f241feb405c9922a90ee0.tar.bz2 | |
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index df6a2eb..eaa9582 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -268,11 +268,21 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3) return seq3 - seq2 >= seq1 - seq2; } -static inline int tcp_too_many_orphans(struct sock *sk, int num) +static inline bool tcp_too_many_orphans(struct sock *sk, int shift) { - return (num > sysctl_tcp_max_orphans) || - (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && - atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]); + struct percpu_counter *ocp = sk->sk_prot->orphan_count; + int orphans = percpu_counter_read_positive(ocp); + + if (orphans << shift > sysctl_tcp_max_orphans) { + orphans = percpu_counter_sum_positive(ocp); + if (orphans << shift > sysctl_tcp_max_orphans) + return true; + } + + if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && + atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]) + return true; + return false; } /* syncookies: remember time of last synqueue overflow */ |