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-rw-r--r--include/linux/skbuff.h23
-rw-r--r--include/net/dropreason-core.h3
-rw-r--r--net/core/skbuff.c11
3 files changed, 29 insertions, 8 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index aa57e2eca33b..9aec136bc690 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3149,20 +3149,35 @@ static inline int skb_orphan_frags_rx(struct sk_buff *skb, gfp_t gfp_mask)
}
/**
- * __skb_queue_purge - empty a list
+ * __skb_queue_purge_reason - empty a list
* @list: list to empty
+ * @reason: drop reason
*
* Delete all buffers on an &sk_buff list. Each buffer is removed from
* the list and one reference dropped. This function does not take the
* list lock and the caller must hold the relevant locks to use it.
*/
-static inline void __skb_queue_purge(struct sk_buff_head *list)
+static inline void __skb_queue_purge_reason(struct sk_buff_head *list,
+ enum skb_drop_reason reason)
{
struct sk_buff *skb;
+
while ((skb = __skb_dequeue(list)) != NULL)
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
+}
+
+static inline void __skb_queue_purge(struct sk_buff_head *list)
+{
+ __skb_queue_purge_reason(list, SKB_DROP_REASON_QUEUE_PURGE);
+}
+
+void skb_queue_purge_reason(struct sk_buff_head *list,
+ enum skb_drop_reason reason);
+
+static inline void skb_queue_purge(struct sk_buff_head *list)
+{
+ skb_queue_purge_reason(list, SKB_DROP_REASON_QUEUE_PURGE);
}
-void skb_queue_purge(struct sk_buff_head *list);
unsigned int skb_rbtree_purge(struct rb_root *root);
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h
index f291a3b0f9e5..a587e83fc169 100644
--- a/include/net/dropreason-core.h
+++ b/include/net/dropreason-core.h
@@ -79,6 +79,7 @@
FN(IPV6_NDISC_BAD_CODE) \
FN(IPV6_NDISC_BAD_OPTIONS) \
FN(IPV6_NDISC_NS_OTHERHOST) \
+ FN(QUEUE_PURGE) \
FNe(MAX)
/**
@@ -342,6 +343,8 @@ enum skb_drop_reason {
* for another host.
*/
SKB_DROP_REASON_IPV6_NDISC_NS_OTHERHOST,
+ /** @SKB_DROP_REASON_QUEUE_PURGE: bulk free. */
+ SKB_DROP_REASON_QUEUE_PURGE,
/**
* @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which
* shouldn't be used as a real 'reason' - only for tracing code gen
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 9b5bc621daf7..117d36b1fae3 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3701,20 +3701,23 @@ struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list)
EXPORT_SYMBOL(skb_dequeue_tail);
/**
- * skb_queue_purge - empty a list
+ * skb_queue_purge_reason - empty a list
* @list: list to empty
+ * @reason: drop reason
*
* Delete all buffers on an &sk_buff list. Each buffer is removed from
* the list and one reference dropped. This function takes the list
* lock and is atomic with respect to other list locking functions.
*/
-void skb_queue_purge(struct sk_buff_head *list)
+void skb_queue_purge_reason(struct sk_buff_head *list,
+ enum skb_drop_reason reason)
{
struct sk_buff *skb;
+
while ((skb = skb_dequeue(list)) != NULL)
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
}
-EXPORT_SYMBOL(skb_queue_purge);
+EXPORT_SYMBOL(skb_queue_purge_reason);
/**
* skb_rbtree_purge - empty a skb rbtree