* [PATCH 3/5] unix_diag: Add the MEMINFO extension
@ 2011-12-29 14:13 Pavel Emelyanov
0 siblings, 0 replies; only message in thread
From: Pavel Emelyanov @ 2011-12-29 14:13 UTC (permalink / raw)
To: David Miller, Linux Netdev List
Signed-off-by: Pavel Emelyanov <xemul@parallels•com>
---
include/linux/unix_diag.h | 2 ++
net/unix/diag.c | 4 ++++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/include/linux/unix_diag.h b/include/linux/unix_diag.h
index 3f7afb0..5255f51 100644
--- a/include/linux/unix_diag.h
+++ b/include/linux/unix_diag.h
@@ -16,6 +16,7 @@ struct unix_diag_req {
#define UDIAG_SHOW_PEER 0x00000004 /* show peer socket info */
#define UDIAG_SHOW_ICONS 0x00000008 /* show pending connections */
#define UDIAG_SHOW_RQLEN 0x00000010 /* show skb receive queue len */
+#define UDIAG_SHOW_MEMINFO 0x00000020 /* show memory info of a socket */
struct unix_diag_msg {
__u8 udiag_family;
@@ -33,6 +34,7 @@ enum {
UNIX_DIAG_PEER,
UNIX_DIAG_ICONS,
UNIX_DIAG_RQLEN,
+ UNIX_DIAG_MEMINFO,
UNIX_DIAG_MAX,
};
diff --git a/net/unix/diag.c b/net/unix/diag.c
index c5bdbcb..9517bdd 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -146,6 +146,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r
sk_diag_show_rqlen(sk, skb))
goto nlmsg_failure;
+ if ((req->udiag_show & UDIAG_SHOW_MEMINFO) &&
+ sock_diag_put_meminfo(sk, skb, UNIX_DIAG_MEMINFO))
+ goto nlmsg_failure;
+
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
--
1.5.5.6
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