1 files changed, 5 insertions, 8 deletions

diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index a7a5583eab04..a2b68a108eae 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -18,6 +18,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
                                 netdev_features_t features)
 {
         struct sk_buff *segs = ERR_PTR(-EINVAL);
+        unsigned int sum_truesize = 0;
         struct tcphdr *th;
         unsigned int thlen;
         unsigned int seq;
@@ -104,13 +105,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
                 if (copy_destructor) {
                         skb->destructor = gso_skb->destructor;
                         skb->sk = gso_skb->sk;
-                        /* {tcp|sock}_wfree() use exact truesize accounting :
-                         * sum(skb->truesize) MUST be exactly be gso_skb->truesize
-                         * So we account mss bytes of 'true size' for each segment.
-                         * The last segment will contain the remaining.
-                         */
-                        skb->truesize = mss;
-                        gso_skb->truesize -= mss;
+                        sum_truesize += skb->truesize;
                 }
                 skb = skb->next;
                 th = tcp_hdr(skb);
@@ -127,7 +122,9 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
         if (copy_destructor) {
                 swap(gso_skb->sk, skb->sk);
                 swap(gso_skb->destructor, skb->destructor);
-                swap(gso_skb->truesize, skb->truesize);
+                sum_truesize += skb->truesize;
+                atomic_add(sum_truesize - gso_skb->truesize,
+                           &skb->sk->sk_wmem_alloc);
         }
 
         delta = htonl(oldlen + (skb_tail_pointer(skb) -