diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index da0c97f..f3a5307 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2906,7 +2906,7 @@
 	nskb->prev = p;
 
 	nskb->data_len += p->len;
-	nskb->truesize += p->len;
+	nskb->truesize += p->truesize;
 	nskb->len += p->len;
 
 	*head = nskb;
@@ -2916,6 +2916,7 @@
 	p = nskb;
 
 merge:
+	p->truesize += skb->truesize - len;
 	if (offset > headlen) {
 		unsigned int eat = offset - headlen;