commit d594e987c6f5417cc63dd7e107a2a03a7eeee03f
author Eric Dumazet <edumazet@google.com> Mon Jun 04 03:50:35 2012 +0000
committer David S. Miller <davem@davemloft.net> Mon Jun 04 11:27:40 2012 -0400
tree 383bbb0260798a4f0db49f1fc331c085a2ce3d85
parent 5d0ba55b6486f58cc890918d7167063d83f7fbb4

sock_diag: add SK_MEMINFO_BACKLOG

Adding socket backlog len in INET_DIAG_SKMEMINFO is really useful to
diagnose various TCP problems.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/sock_diag.c

diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 5fd1467..0d934ce 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -46,6 +46,7 @@
 	mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc;
 	mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued;
 	mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc);
+	mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len;
 
 	return 0;