diff options
| -rw-r--r-- | include/linux/skbuff.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 08670d01747..5eba4007e07 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1287,7 +1287,7 @@ static inline int skb_network_offset(const struct sk_buff *skb) * The networking layer reserves some headroom in skb data (via * dev_alloc_skb). This is used to avoid having to reallocate skb data when * the header has to grow. In the default case, if the header has to grow - * 16 bytes or less we avoid the reallocation. + * 32 bytes or less we avoid the reallocation. * * Unfortunately this headroom changes the DMA alignment of the resulting * network packet. As for NET_IP_ALIGN, this unaligned DMA is expensive @@ -1295,11 +1295,11 @@ static inline int skb_network_offset(const struct sk_buff *skb) * perhaps setting it to a cacheline in size (since that will maintain * cacheline alignment of the DMA). It must be a power of 2. * - * Various parts of the networking layer expect at least 16 bytes of + * Various parts of the networking layer expect at least 32 bytes of * headroom, you should not reduce this. */ #ifndef NET_SKB_PAD -#define NET_SKB_PAD 16 +#define NET_SKB_PAD 32 #endif extern int ___pskb_trim(struct sk_buff *skb, unsigned int len); |