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[NET]: Move Qdisc_class_ops and Qdisc_ops in appropriate sections.

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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>
This commit is contained in:
Eric Dumazet 2007-11-14 01:44:41 -08:00 • committed by David S. Miller
parent 2a8cc6c890
commit 20fea08b5f
19 changed files with 43 additions and 43 deletions
Download patch file Download diff file Expand all files Collapse all files

12
net/sched/sch_api.c
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@ -195,7 +195,7 @@ static struct Qdisc *qdisc_leaf(struct Qdisc *p, u32 classid)
{
unsigned long cl;
struct Qdisc *leaf;
struct Qdisc_class_ops *cops = p->ops->cl_ops;
const struct Qdisc_class_ops *cops = p->ops->cl_ops;
if (cops == NULL)
return NULL;
@ -373,7 +373,7 @@ dev_graft_qdisc(struct net_device *dev, struct Qdisc *qdisc)
void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n)
{
struct Qdisc_class_ops *cops;
const struct Qdisc_class_ops *cops;
unsigned long cl;
u32 parentid;
@ -417,7 +417,7 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
*old = dev_graft_qdisc(dev, new);
}
} else {
struct Qdisc_class_ops *cops = parent->ops->cl_ops;
const struct Qdisc_class_ops *cops = parent->ops->cl_ops;
err = -EINVAL;
@ -581,7 +581,7 @@ static int
check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
{
struct Qdisc *leaf;
struct Qdisc_class_ops *cops = q->ops->cl_ops;
const struct Qdisc_class_ops *cops = q->ops->cl_ops;
struct check_loop_arg *arg = (struct check_loop_arg *)w;
leaf = cops->leaf(q, cl);
@ -924,7 +924,7 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
struct rtattr **tca = arg;
struct net_device *dev;
struct Qdisc *q = NULL;
struct Qdisc_class_ops *cops;
const struct Qdisc_class_ops *cops;
unsigned long cl = 0;
unsigned long new_cl;
u32 pid = tcm->tcm_parent;
@ -1039,7 +1039,7 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
struct gnet_dump d;
struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
const struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*tcm), flags);
tcm = NLMSG_DATA(nlh);