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authorBen Dooks <ben-linux@fluff.org>2008-11-03 14:49:01 +0000
committerBen Dooks <ben-linux@fluff.org>2008-11-03 14:49:01 +0000
commite856359685143a2f65876e7db4e4aa0ef5dce7f0 (patch)
treebbcafe7f23975979f7a2bc6fd1404908d5fd7bd1 /net/core/skbuff.c
parente3bd9ec5d8bfc90f9e1bd995677829e57a404061 (diff)
parent45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into s3c-moves2
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4e22e3a3535..ebb6b94f8af 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -449,6 +449,18 @@ void kfree_skb(struct sk_buff *skb)
__kfree_skb(skb);
}
+/**
+ * skb_recycle_check - check if skb can be reused for receive
+ * @skb: buffer
+ * @skb_size: minimum receive buffer size
+ *
+ * Checks that the skb passed in is not shared or cloned, and
+ * that it is linear and its head portion at least as large as
+ * skb_size so that it can be recycled as a receive buffer.
+ * If these conditions are met, this function does any necessary
+ * reference count dropping and cleans up the skbuff as if it
+ * just came from __alloc_skb().
+ */
int skb_recycle_check(struct sk_buff *skb, int skb_size)
{
struct skb_shared_info *shinfo;