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| author | Allan Stephens <allan.stephens@windriver.com> | 2010-05-11 18:30:17 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-13 10:02:28 +0400 |
| commit | 3032cca4d5cf885cacc78fae27ddf0c56dbf9963 (patch) | |
| tree | e12519822155d1939ef9cfbca955714e6f29f3c5 /net/tipc/core.c | |
| parent | b274f4ab8e674db1757371a21e7217e0766cb574 (diff) | |
| download | linux-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.c | 24 |
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 */ |