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authorAllan Stephens <allan.stephens@windriver.com>2010-05-11 18:30:17 +0400
committerDavid S. Miller <davem@davemloft.net>2010-05-13 10:02:28 +0400
commit3032cca4d5cf885cacc78fae27ddf0c56dbf9963 (patch)
treee12519822155d1939ef9cfbca955714e6f29f3c5 /net/tipc/core.c
parentb274f4ab8e674db1757371a21e7217e0766cb574 (diff)
downloadlinux-3032cca4d5cf885cacc78fae27ddf0c56dbf9963.tar.xz
tipc: Reduce footprint by un-inlining buf_acquire routine
Convert buf_acquire inline routine that is more than one line into a standard function, thereby eliminating some repeated code. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/core.c')
-rw-r--r--net/tipc/core.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/net/tipc/core.c b/net/tipc/core.c
index b47d1842a970..696468117985 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -102,6 +102,30 @@ int tipc_get_mode(void)
}
/**
+ * buf_acquire - creates a TIPC message buffer
+ * @size: message size (including TIPC header)
+ *
+ * Returns a new buffer with data pointers set to the specified size.
+ *
+ * NOTE: Headroom is reserved to allow prepending of a data link header.
+ * There may also be unrequested tailroom present at the buffer's end.
+ */
+
+struct sk_buff *buf_acquire(u32 size)
+{
+ struct sk_buff *skb;
+ unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u;
+
+ skb = alloc_skb_fclone(buf_size, GFP_ATOMIC);
+ if (skb) {
+ skb_reserve(skb, BUF_HEADROOM);
+ skb_put(skb, size);
+ skb->next = NULL;
+ }
+ return skb;
+}
+
+/**
* tipc_core_stop_net - shut down TIPC networking sub-systems
*/