diff options
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r-- | net/core/skbuff.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4e22e3a35359..ebb6b94f8af2 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c | |||
@@ -449,6 +449,18 @@ void kfree_skb(struct sk_buff *skb) | |||
449 | __kfree_skb(skb); | 449 | __kfree_skb(skb); |
450 | } | 450 | } |
451 | 451 | ||
452 | /** | ||
453 | * skb_recycle_check - check if skb can be reused for receive | ||
454 | * @skb: buffer | ||
455 | * @skb_size: minimum receive buffer size | ||
456 | * | ||
457 | * Checks that the skb passed in is not shared or cloned, and | ||
458 | * that it is linear and its head portion at least as large as | ||
459 | * skb_size so that it can be recycled as a receive buffer. | ||
460 | * If these conditions are met, this function does any necessary | ||
461 | * reference count dropping and cleans up the skbuff as if it | ||
462 | * just came from __alloc_skb(). | ||
463 | */ | ||
452 | int skb_recycle_check(struct sk_buff *skb, int skb_size) | 464 | int skb_recycle_check(struct sk_buff *skb, int skb_size) |
453 | { | 465 | { |
454 | struct skb_shared_info *shinfo; | 466 | struct skb_shared_info *shinfo; |