diff options
| author | Eric Dumazet <dada1@cosmosbay.com> | 2007-11-14 01:44:41 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:53:58 -0800 |
| commit | 20fea08b5fb639c4c175b5c74a2bb346c5c5bc2e (patch) | |
| tree | 3ffa7e1e82051c6772fc2a01d561e4a5a29bb138 /net/sched/sch_generic.c | |
| parent | 2a8cc6c89039e0530a3335954253b76ed0f9339a (diff) | |
| download | blackbird-op-linux-20fea08b5fb639c4c175b5c74a2bb346c5c5bc2e.tar.gz blackbird-op-linux-20fea08b5fb639c4c175b5c74a2bb346c5c5bc2e.zip | |
[NET]: Move Qdisc_class_ops and Qdisc_ops in appropriate sections.
Qdisc_class_ops are const, and Qdisc_ops are mostly read.
Using "const" and "__read_mostly" qualifiers helps to reduce false
sharing.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_generic.c')
| -rw-r--r-- | net/sched/sch_generic.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 84c048a54799..9be2f152455a 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -287,7 +287,7 @@ static int noop_requeue(struct sk_buff *skb, struct Qdisc* qdisc) return NET_XMIT_CN; } -struct Qdisc_ops noop_qdisc_ops = { +struct Qdisc_ops noop_qdisc_ops __read_mostly = { .id = "noop", .priv_size = 0, .enqueue = noop_enqueue, @@ -304,7 +304,7 @@ struct Qdisc noop_qdisc = { .list = LIST_HEAD_INIT(noop_qdisc.list), }; -static struct Qdisc_ops noqueue_qdisc_ops = { +static struct Qdisc_ops noqueue_qdisc_ops __read_mostly = { .id = "noqueue", .priv_size = 0, .enqueue = noop_enqueue, @@ -406,7 +406,7 @@ static int pfifo_fast_init(struct Qdisc *qdisc, struct rtattr *opt) return 0; } -static struct Qdisc_ops pfifo_fast_ops = { +static struct Qdisc_ops pfifo_fast_ops __read_mostly = { .id = "pfifo_fast", .priv_size = PFIFO_FAST_BANDS * sizeof(struct sk_buff_head), .enqueue = pfifo_fast_enqueue, @@ -472,7 +472,7 @@ errout: void qdisc_reset(struct Qdisc *qdisc) { - struct Qdisc_ops *ops = qdisc->ops; + const struct Qdisc_ops *ops = qdisc->ops; if (ops->reset) ops->reset(qdisc); @@ -491,7 +491,7 @@ static void __qdisc_destroy(struct rcu_head *head) void qdisc_destroy(struct Qdisc *qdisc) { - struct Qdisc_ops *ops = qdisc->ops; + const struct Qdisc_ops *ops = qdisc->ops; if (qdisc->flags & TCQ_F_BUILTIN || !atomic_dec_and_test(&qdisc->refcnt)) |
