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| author | Patrick McHardy <kaber@trash.net> | 2005-08-14 17:24:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 15:58:24 -0700 |
| commit | a61bbcf28a8cb0ba56f8193d512f7222e711a294 (patch) | |
| tree | 33ae1976ab3b08aac516debb2742d2c6696d5436 /net/core/skbuff.c | |
| parent | 25ed891019b84498c83903ecf53df7ce35e9cff6 (diff) | |
| download | op-kernel-dev-a61bbcf28a8cb0ba56f8193d512f7222e711a294.zip op-kernel-dev-a61bbcf28a8cb0ba56f8193d512f7222e711a294.tar.gz | |
[NET]: Store skb->timestamp as offset to a base timestamp
Reduces skb size by 8 bytes on 64-bit.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index ef498cb..39a161d 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -70,6 +70,8 @@ static kmem_cache_t *skbuff_head_cache; +struct timeval __read_mostly skb_tv_base; + /* * Keep out-of-line to prevent kernel bloat. * __builtin_return_address is not used because it is not always @@ -331,7 +333,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, unsigned int __nocast gfp_mask) n->next = n->prev = NULL; n->sk = NULL; - C(stamp); + C(tstamp); C(dev); C(h); C(nh); @@ -408,7 +410,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) memcpy(new->cb, old->cb, sizeof(old->cb)); new->local_df = old->local_df; new->pkt_type = old->pkt_type; - new->stamp = old->stamp; + new->tstamp = old->tstamp; new->destructor = NULL; #ifdef CONFIG_NETFILTER new->nfmark = old->nfmark; @@ -1645,6 +1647,7 @@ void __init skb_init(void) NULL, NULL); if (!skbuff_head_cache) panic("cannot create skbuff cache"); + do_gettimeofday(&skb_tv_base); } EXPORT_SYMBOL(___pskb_trim); @@ -1678,3 +1681,4 @@ EXPORT_SYMBOL(skb_prepare_seq_read); EXPORT_SYMBOL(skb_seq_read); EXPORT_SYMBOL(skb_abort_seq_read); EXPORT_SYMBOL(skb_find_text); +EXPORT_SYMBOL(skb_tv_base); |
