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-rw-r--r--include/net/sock.h29
1 files changed, 2 insertions, 27 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index e329d05f799..7d500a825e4 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1192,33 +1192,8 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
1192 } 1192 }
1193} 1193}
1194 1194
1195static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk, 1195struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
1196 int size, int mem, 1196 int size, int mem, gfp_t gfp);
1197 gfp_t gfp)
1198{
1199 struct sk_buff *skb;
1200
1201 /* The TCP header must be at least 32-bit aligned. */
1202 size = ALIGN(size, 4);
1203
1204 skb = alloc_skb_fclone(size + sk->sk_prot->max_header, gfp);
1205 if (skb) {
1206 skb->truesize += mem;
1207 if (sk_stream_wmem_schedule(sk, skb->truesize)) {
1208 /*
1209 * Make sure that we have exactly size bytes
1210 * available to the caller, no more, no less.
1211 */
1212 skb_reserve(skb, skb_tailroom(skb) - size);
1213 return skb;
1214 }
1215 __kfree_skb(skb);
1216 } else {
1217 sk->sk_prot->enter_memory_pressure();
1218 sk_stream_moderate_sndbuf(sk);
1219 }
1220 return NULL;
1221}
1222 1197
1223static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk, 1198static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk,
1224 int size, 1199 int size,