Commit 5290ada4 authored by Tonghao Zhang's avatar Tonghao Zhang Committed by David S. Miller

sock: Remove the global prot_inuse counter.

The per-cpu counter for init_net is prepared in core_initcall.
The patch 7d720c3e ("percpu: add __percpu sparse annotations to net")
and d6d9ca0f ("net: this_cpu_xxx conversions") optimize the
routines. Then remove the old counter.

Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: default avatarTonghao Zhang <zhangtonghao@didichuxing.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 492d070f
......@@ -3044,7 +3044,6 @@ struct prot_inuse {
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)
{
__this_cpu_add(net->core.inuse->val[prot->inuse_idx], val);
......@@ -3088,27 +3087,6 @@ static __init int net_inuse_init(void)
}
core_initcall(net_inuse_init);
#else
static DEFINE_PER_CPU(struct prot_inuse, prot_inuse);
void sock_prot_inuse_add(struct net *net, struct proto *prot, int val)
{
__this_cpu_add(prot_inuse.val[prot->inuse_idx], val);
}
EXPORT_SYMBOL_GPL(sock_prot_inuse_add);
int sock_prot_inuse_get(struct net *net, struct proto *prot)
{
int cpu, idx = prot->inuse_idx;
int res = 0;
for_each_possible_cpu(cpu)
res += per_cpu(prot_inuse, cpu).val[idx];
return res >= 0 ? res : 0;
}
EXPORT_SYMBOL_GPL(sock_prot_inuse_get);
#endif
static void assign_proto_idx(struct proto *prot)
{
......
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