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Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2561c14a6e63..bc7f419184aa 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -863,7 +863,6 @@ struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
if (likely(skb)) {
bool mem_scheduled;
- skb->truesize = SKB_TRUESIZE(size + MAX_TCP_HEADER);
if (force_schedule) {
mem_scheduled = true;
sk_forced_mem_schedule(sk, skb->truesize);
@@ -1320,15 +1319,6 @@ new_segment:
copy = min_t(int, copy, pfrag->size - pfrag->offset);
- /* skb changing from pure zc to mixed, must charge zc */
- if (unlikely(skb_zcopy_pure(skb))) {
- if (!sk_wmem_schedule(sk, skb->data_len))
- goto wait_for_space;
-
- sk_mem_charge(sk, skb->data_len);
- skb_shinfo(skb)->flags &= ~SKBFL_PURE_ZEROCOPY;
- }
-
if (!sk_wmem_schedule(sk, copy))
goto wait_for_space;
@@ -1349,16 +1339,8 @@ new_segment:
}
pfrag->offset += copy;
} else {
- /* First append to a fragless skb builds initial
- * pure zerocopy skb
- */
- if (!skb->len)
- skb_shinfo(skb)->flags |= SKBFL_PURE_ZEROCOPY;
-
- if (!skb_zcopy_pure(skb)) {
- if (!sk_wmem_schedule(sk, copy))
- goto wait_for_space;
- }
+ if (!sk_wmem_schedule(sk, copy))
+ goto wait_for_space;
err = skb_zerocopy_iter_stream(sk, skb, msg, copy, uarg);
if (err == -EMSGSIZE || err == -EEXIST) {