[PATCH] Save some bytes in struct inode

[safe/jmp/linux-2.6] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4175366..4ff3940 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -22,12 +22,10 @@
 #include <asm/atomic.h>
 #include <asm/types.h>
 #include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/poll.h>
 #include <linux/net.h>
 #include <linux/textsearch.h>
 #include <net/checksum.h>
+#include <linux/rcupdate.h>
 #include <linux/dmaengine.h>
 
 #define HAVE_ALLOC_SKB         /* For the drivers to know */
@@ -273,8 +271,11 @@ struct sk_buff {
 
        unsigned int            len,
                                data_len,
-                               mac_len,
-                               csum;
+                               mac_len;
+       union {
+               __wsum          csum;
+               __u32           csum_offset;
+       };
        __u32                   priority;
        __u8                    local_df:1,
                                cloned:1,
@@ -331,20 +332,20 @@ struct sk_buff {
 extern void kfree_skb(struct sk_buff *skb);
 extern void           __kfree_skb(struct sk_buff *skb);
 extern struct sk_buff *__alloc_skb(unsigned int size,
-                                  gfp_t priority, int fclone);
+                                  gfp_t priority, int fclone, int node);
 static inline struct sk_buff *alloc_skb(unsigned int size,
                                        gfp_t priority)
 {
-       return __alloc_skb(size, priority, 0);
+       return __alloc_skb(size, priority, 0, -1);
 }
 
 static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
                                               gfp_t priority)
 {
-       return __alloc_skb(size, priority, 1);
+       return __alloc_skb(size, priority, 1, -1);
 }
 
-extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
+extern struct sk_buff *alloc_skb_from_cache(struct kmem_cache *cp,
                                            unsigned int size,
                                            gfp_t priority);
 extern void           kfree_skbmem(struct sk_buff *skb);
@@ -1292,24 +1293,6 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
        return __pskb_trim(skb, len);
 }
 
-static inline void *kmap_skb_frag(const skb_frag_t *frag)
-{
-#ifdef CONFIG_HIGHMEM
-       BUG_ON(in_irq());
-
-       local_bh_disable();
-#endif
-       return kmap_atomic(frag->page, KM_SKB_DATA_SOFTIRQ);
-}
-
-static inline void kunmap_skb_frag(void *vaddr)
-{
-       kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
-#ifdef CONFIG_HIGHMEM
-       local_bh_enable();
-#endif
-}
-
 #define skb_queue_walk(queue, skb) \
                for (skb = (queue)->next;                                       \
                     prefetch(skb->next), (skb != (struct sk_buff *)(queue));   \