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authorDenys Vlasenko <vda.linux@googlemail.com>2012-01-30 15:22:06 -0500
committerDavid S. Miller <davem@davemloft.net>2012-01-30 15:22:06 -0500
commita46621a3a8f24557201a7ef62de151c812f8985c (patch)
tree9701dd51e082d600ce4b69ee4773805630ab0ada /net/netlink
parent5de658f878d49e952d7b3f3f26a396132829f513 (diff)
net: Deinline __nlmsg_put and genlmsg_put. -7k code on i386 defconfig.
text data bss dec hex filename 8455963 532732 1810804 10799499 a4c98b vmlinux.o.before 8448899 532732 1810804 10792435 a4adf3 vmlinux.o This change also removes commented-out copy of __nlmsg_put which was last touched in 2005 with "Enable once all users have been converted" comment on top. Changes in v2: rediffed against net-next. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink')
-rw-r--r--net/netlink/af_netlink.c18
-rw-r--r--net/netlink/genetlink.c31
2 files changed, 49 insertions, 0 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 629b06182f3..4d751e3d4b4 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1645,6 +1645,24 @@ static void netlink_destroy_callback(struct netlink_callback *cb)
kfree(cb);
}
+struct nlmsghdr *
+__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
+{
+ struct nlmsghdr *nlh;
+ int size = NLMSG_LENGTH(len);
+
+ nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size));
+ nlh->nlmsg_type = type;
+ nlh->nlmsg_len = size;
+ nlh->nlmsg_flags = flags;
+ nlh->nlmsg_pid = pid;
+ nlh->nlmsg_seq = seq;
+ if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0)
+ memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size);
+ return nlh;
+}
+EXPORT_SYMBOL(__nlmsg_put);
+
/*
* It looks a bit ugly.
* It would be better to create kernel thread.
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index c29d2568c9e..a1154717219 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -498,6 +498,37 @@ int genl_unregister_family(struct genl_family *family)
}
EXPORT_SYMBOL(genl_unregister_family);
+/**
+ * genlmsg_put - Add generic netlink header to netlink message
+ * @skb: socket buffer holding the message
+ * @pid: netlink pid the message is addressed to
+ * @seq: sequence number (usually the one of the sender)
+ * @family: generic netlink family
+ * @flags netlink message flags
+ * @cmd: generic netlink command
+ *
+ * Returns pointer to user specific header
+ */
+void *genlmsg_put(struct sk_buff *skb, u32 pid, u32 seq,
+ struct genl_family *family, int flags, u8 cmd)
+{
+ struct nlmsghdr *nlh;
+ struct genlmsghdr *hdr;
+
+ nlh = nlmsg_put(skb, pid, seq, family->id, GENL_HDRLEN +
+ family->hdrsize, flags);
+ if (nlh == NULL)
+ return NULL;
+
+ hdr = nlmsg_data(nlh);
+ hdr->cmd = cmd;
+ hdr->version = family->version;
+ hdr->reserved = 0;
+
+ return (char *) hdr + GENL_HDRLEN;
+}
+EXPORT_SYMBOL(genlmsg_put);
+
static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct genl_ops *ops;