diff options
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index b2fc5595c04b..a1d9d4e347ed 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -35,7 +35,9 @@ #define CHECKSUM_UNNECESSARY 2 #define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES-1)) & ~(SMP_CACHE_BYTES-1)) -#define SKB_MAX_HEAD(X) ((PAGE_SIZE - (X) - sizeof(struct skb_shared_info))&~(SMP_CACHE_BYTES-1)) +#define SKB_MAX_ORDER(X,ORDER) (((PAGE_SIZE<<(ORDER)) - (X) - sizeof(struct skb_shared_info))&~(SMP_CACHE_BYTES-1)) +#define SKB_MAX_HEAD(X) (SKB_MAX_ORDER((X),0)) +#define SKB_MAX_ALLOC (SKB_MAX_ORDER(0,2)) /* A. Checksumming of received packets by device. * |