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net: this_cpu_xxx conversions
authorEric Dumazet <eric.dumazet@gmail.com>
Mon, 19 Jul 2010 10:48:49 +0000 (10:48 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 19 Jul 2010 22:12:51 +0000 (15:12 -0700)
Use modern this_cpu_xxx() api, saving few bytes on x86

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/sock.c
net/sched/sch_generic.c

index 363bc26..b05b9b6 100644 (file)
@@ -2232,8 +2232,7 @@ static DECLARE_BITMAP(proto_inuse_idx, PROTO_INUSE_NR);
 #ifdef CONFIG_NET_NS
 void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
 {
-       int cpu = smp_processor_id();
-       per_cpu_ptr(net->core.inuse, cpu)->val[prot->inuse_idx] += val;
+       __this_cpu_add(net->core.inuse->val[prot->inuse_idx], val);
 }
 EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
 
@@ -2279,7 +2278,7 @@ static DEFINE_PER_CPU(struct prot_inuse, prot_inuse);
 
 void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
 {
-       __get_cpu_var(prot_inuse).val[prot->inuse_idx] += val;
+       __this_cpu_add(prot_inuse.val[prot->inuse_idx], val);
 }
 EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
 
index d20fcd2..2aeb3a4 100644 (file)
@@ -96,7 +96,7 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb,
                 * Another cpu is holding lock, requeue & delay xmits for
                 * some time.
                 */
-               __get_cpu_var(softnet_data).cpu_collision++;
+               __this_cpu_inc(softnet_data.cpu_collision);
                ret = dev_requeue_skb(skb, q);
        }