sysctl_wmem_default 2563 include/net/sock.h extern __u32 sysctl_wmem_default; sysctl_wmem_default 272 net/core/sock.c __u32 sysctl_wmem_default __read_mostly = SK_WMEM_MAX; sysctl_wmem_default 2866 net/core/sock.c sk->sk_sndbuf = sysctl_wmem_default; sysctl_wmem_default 336 net/core/sysctl_net_core.c .data = &sysctl_wmem_default, sysctl_wmem_default 1706 net/ipv4/ip_output.c sk->sk_sndbuf = sysctl_wmem_default;