[UDP]: Add memory accounting.

Signed-off-by: Takahiro Yasui <tyasui@redhat.com>
Signed-off-by: Hideo Aoki <haoki@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 31 insertions, 0 deletions

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 844f26fab06f..a5a9f8e3bb25 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -19,6 +19,7 @@
 #include <net/ip.h>
 #include <net/route.h>
 #include <net/tcp.h>
+#include <net/udp.h>
 #include <net/cipso_ipv4.h>
 #include <net/inet_frag.h>
 
@@ -812,6 +813,36 @@ static struct ctl_table ipv4_table[] = {
                 .mode           = 0644,
                 .proc_handler   = &proc_dointvec,
         },
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "udp_mem",
+                .data           = &sysctl_udp_mem,
+                .maxlen         = sizeof(sysctl_udp_mem),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec_minmax,
+                .strategy       = &sysctl_intvec,
+                .extra1         = &zero
+        },
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "udp_rmem_min",
+                .data           = &sysctl_udp_rmem_min,
+                .maxlen         = sizeof(sysctl_udp_rmem_min),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec_minmax,
+                .strategy       = &sysctl_intvec,
+                .extra1         = &zero
+        },
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "udp_wmem_min",
+                .data           = &sysctl_udp_wmem_min,
+                .maxlen         = sizeof(sysctl_udp_wmem_min),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec_minmax,
+                .strategy       = &sysctl_intvec,
+                .extra1         = &zero
+        },
         { .ctl_name = 0 }
 };