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| author | Jason Wang <jasowang@redhat.com> | 2012-02-02 00:07:00 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-02 14:34:41 -0500 |
| commit | c43b874d5d714f271b80d4c3f49e05d0cbf51ed2 (patch) | |
| tree | c56f3500327b081228d4c7369d39740e9bb4a0a9 /net/ipv4/sysctl_net_ipv4.c | |
| parent | 786f528119722f564a22ad953411374e06116333 (diff) | |
| download | lwn-c43b874d5d714f271b80d4c3f49e05d0cbf51ed2.tar.gz lwn-c43b874d5d714f271b80d4c3f49e05d0cbf51ed2.zip | |
tcp: properly initialize tcp memory limits
Commit 4acb4190 tries to fix the using uninitialized value
introduced by commit 3dc43e3, but it would make the
per-socket memory limits too small.
This patch fixes this and also remove the redundant codes
introduced in 4acb4190.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 4cb9cd2f2c39..7a7724da9bff 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -778,7 +778,6 @@ EXPORT_SYMBOL_GPL(net_ipv4_ctl_path); static __net_init int ipv4_sysctl_init_net(struct net *net) { struct ctl_table *table; - unsigned long limit; table = ipv4_net_table; if (!net_eq(net, &init_net)) { @@ -815,11 +814,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) net->ipv4.sysctl_rt_cache_rebuild_count = 4; tcp_init_mem(net); - limit = nr_free_buffer_pages() / 8; - limit = max(limit, 128UL); - net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; - net->ipv4.sysctl_tcp_mem[1] = limit; - net->ipv4.sysctl_tcp_mem[2] = net->ipv4.sysctl_tcp_mem[0] * 2; net->ipv4.ipv4_hdr = register_net_sysctl_table(net, net_ipv4_ctl_path, table); |