diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index e329d05f7995..7d500a825e4e 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 | ||
| 1195 | static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk, | 1195 | struct 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 | ||
| 1223 | static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk, | 1198 | static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk, |
| 1224 | int size, | 1199 | int size, |
