}
EXPORT_SYMBOL(kfree_skb_reason);
+#define KFREE_SKB_BULK_SIZE 16
+
+struct skb_free_array {
+ unsigned int skb_count;
+ void *skb_array[KFREE_SKB_BULK_SIZE];
+};
+
+static void kfree_skb_add_bulk(struct sk_buff *skb,
+ struct skb_free_array *sa,
+ enum skb_drop_reason reason)
+{
+ /* if SKB is a clone, don't handle this case */
+ if (unlikely(skb->fclone != SKB_FCLONE_UNAVAILABLE)) {
+ __kfree_skb(skb);
+ return;
+ }
+
+ skb_release_all(skb, reason);
+ sa->skb_array[sa->skb_count++] = skb;
+
+ if (unlikely(sa->skb_count == KFREE_SKB_BULK_SIZE)) {
+ kmem_cache_free_bulk(skbuff_head_cache, KFREE_SKB_BULK_SIZE,
+ sa->skb_array);
+ sa->skb_count = 0;
+ }
+}
+
void __fix_address
kfree_skb_list_reason(struct sk_buff *segs, enum skb_drop_reason reason)
{
+ struct skb_free_array sa;
+
+ sa.skb_count = 0;
+
while (segs) {
struct sk_buff *next = segs->next;
+ skb_mark_not_on_list(segs);
+
if (__kfree_skb_reason(segs, reason))
- __kfree_skb(segs);
+ kfree_skb_add_bulk(segs, &sa, reason);
+
segs = next;
}
+
+ if (sa.skb_count)
+ kmem_cache_free_bulk(skbuff_head_cache, sa.skb_count,
+ sa.skb_array);
}
EXPORT_SYMBOL(kfree_skb_list_reason);