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authorIngo Molnar <mingo@elte.hu>2008-11-03 08:57:41 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-03 08:57:41 +0100
commitdb5935001a43528e673ad26ffec9d98c60a496a9 (patch)
tree8e735327a97beccabb5d94ef93df25d2bacda705 /net/core/skbuff.c
parent34f3a814eef8069a24e5b3ebcf27aba9dabac2ea (diff)
parent45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03 (diff)
Merge commit 'v2.6.28-rc3' into sched/core
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;