GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-22 22:51:37 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

net,rcu: convert call_rcu(net_generic_release) to kfree_rcu()

Browse source 
The rcu callback net_generic_release() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(net_generic_release).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-18 12:06:32 +08:00 • committed by Paul E. McKenney
parent 6b26223281
commit 04d4dfed8e
1 changed files with 1 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

10
net/core/net_namespace.c
View file

@ -27,14 +27,6 @@ EXPORT_SYMBOL(init_net);
#define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */ #define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */
static void net_generic_release(struct rcu_head *rcu)
{
struct net_generic *ng;
ng = container_of(rcu, struct net_generic, rcu);
kfree(ng);
}
static int net_assign_generic(struct net *net, int id, void *data) static int net_assign_generic(struct net *net, int id, void *data)
{ {
struct net_generic *ng, *old_ng; struct net_generic *ng, *old_ng;
@ -68,7 +60,7 @@ static int net_assign_generic(struct net *net, int id, void *data)
memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*)); memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*));
rcu_assign_pointer(net->gen, ng); rcu_assign_pointer(net->gen, ng);
call_rcu(&old_ng->rcu, net_generic_release); kfree_rcu(old_ng, rcu);
assign: assign:
ng->ptr[id - 1] = data; ng->ptr[id - 1] = data;
return 0; return 0;