diff options
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index bbd67abcb51d..fe9bf915676c 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -24,6 +24,7 @@ #include <net/cipso_ipv4.h> #include <net/inet_frag.h> #include <net/ping.h> +#include <net/tcp_memcontrol.h> static int zero; static int tcp_retr1_max = 255; @@ -182,6 +183,9 @@ static int ipv4_tcp_mem(ctl_table *ctl, int write, int ret; unsigned long vec[3]; struct net *net = current->nsproxy->net_ns; +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM + struct mem_cgroup *memcg; +#endif ctl_table tmp = { .data = &vec, @@ -198,6 +202,16 @@ static int ipv4_tcp_mem(ctl_table *ctl, int write, if (ret) return ret; +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM + rcu_read_lock(); + memcg = mem_cgroup_from_task(current); + + tcp_prot_mem(memcg, vec[0], 0); + tcp_prot_mem(memcg, vec[1], 1); + tcp_prot_mem(memcg, vec[2], 2); + rcu_read_unlock(); +#endif + net->ipv4.sysctl_tcp_mem[0] = vec[0]; net->ipv4.sysctl_tcp_mem[1] = vec[1]; net->ipv4.sysctl_tcp_mem[2] = vec[2]; |