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unix_diag: Add the MEMINFO extension

PATCH In review Pavel Emelyanov 2 participants 2 messages Dec 30, 2011

Subsystems (3)
Networking Network drivers Networking unix sockets
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Pavel Emelyanov

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PATCH 5/7 unix_diag: Add the MEMINFO extension

Signed-off-by Pavel Emelyanov <[email protected]>
---
 include/linux/unix_diag.h |    2 ++
 net/unix/diag.c           |    4 ++++
 2 files changed, 6 insertions(+), 0 deletions(-)
include/linux/unix_diag.h +2 -0
index a5ce0f3..93fdb78 100644
@@ -18,6 +18,7 @@ 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;

@@ -35,6 +36,7 @@ enum {
 	UNIX_DIAG_PEER,
 	UNIX_DIAG_ICONS,
 	UNIX_DIAG_RQLEN,
+	UNIX_DIAG_MEMINFO,
 
 	UNIX_DIAG_MAX,
 };
net/unix/diag.c +4 -0
index c5bdbcb..9517bdd 100644
@@ -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;
Signature · 1 line
1.5.5.6