diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /net/core/skbuff.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index da0c97f2fab..baf8d281152 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -66,7 +66,6 @@ #include <net/xfrm.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <trace/events/skb.h> #include "kmap_skb.h" @@ -321,12 +320,12 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, EXPORT_SYMBOL(__netdev_alloc_skb); void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off, - int size) + int size, unsigned int truesize) { skb_fill_page_desc(skb, i, page, off, size); skb->len += size; skb->data_len += size; - skb->truesize += size; + skb->truesize += truesize; } EXPORT_SYMBOL(skb_add_rx_frag); @@ -592,6 +591,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->rxhash = old->rxhash; new->ooo_okay = old->ooo_okay; new->l4_rxhash = old->l4_rxhash; + new->no_fcs = old->no_fcs; #ifdef CONFIG_XFRM new->sp = secpath_get(old->sp); #endif @@ -2906,7 +2906,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) nskb->prev = p; nskb->data_len += p->len; - nskb->truesize += p->len; + nskb->truesize += p->truesize; nskb->len += p->len; *head = nskb; @@ -2916,6 +2916,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) p = nskb; merge: + p->truesize += skb->truesize - len; if (offset > headlen) { unsigned int eat = offset - headlen; @@ -3160,6 +3161,8 @@ static void sock_rmem_free(struct sk_buff *skb) */ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) { + int len = skb->len; + if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= (unsigned)sk->sk_rcvbuf) return -ENOMEM; @@ -3174,7 +3177,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) skb_queue_tail(&sk->sk_error_queue, skb); if (!sock_flag(sk, SOCK_DEAD)) - sk->sk_data_ready(sk, skb->len); + sk->sk_data_ready(sk, len); return 0; } EXPORT_SYMBOL(sock_queue_err_skb); |