Commit 5953a303 authored by David S. Miller's avatar David S. Miller
parents b1faf566 7489aec8
......@@ -397,7 +397,7 @@ struct xt_table_info {
* @stacksize jumps (number of user chains) can possibly be made.
*/
unsigned int stacksize;
unsigned int *stackptr;
unsigned int __percpu *stackptr;
void ***jumpstack;
/* ipt_entry tables: one per CPU */
/* Note : this field MUST be the last one, see XT_TABLE_INFO_SZ */
......
......@@ -336,7 +336,7 @@ ipt_do_table(struct sk_buff *skb,
cpu = smp_processor_id();
table_base = private->entries[cpu];
jumpstack = (struct ipt_entry **)private->jumpstack[cpu];
stackptr = &private->stackptr[cpu];
stackptr = per_cpu_ptr(private->stackptr, cpu);
origptr = *stackptr;
e = get_entry(table_base, private->hook_entry[hook]);
......
......@@ -363,7 +363,7 @@ ip6t_do_table(struct sk_buff *skb,
cpu = smp_processor_id();
table_base = private->entries[cpu];
jumpstack = (struct ip6t_entry **)private->jumpstack[cpu];
stackptr = &private->stackptr[cpu];
stackptr = per_cpu_ptr(private->stackptr, cpu);
origptr = *stackptr;
e = get_entry(table_base, private->hook_entry[hook]);
......
......@@ -699,10 +699,8 @@ void xt_free_table_info(struct xt_table_info *info)
vfree(info->jumpstack);
else
kfree(info->jumpstack);
if (sizeof(unsigned int) * nr_cpu_ids > PAGE_SIZE)
vfree(info->stackptr);
else
kfree(info->stackptr);
free_percpu(info->stackptr);
kfree(info);
}
......@@ -753,14 +751,9 @@ static int xt_jumpstack_alloc(struct xt_table_info *i)
unsigned int size;
int cpu;
size = sizeof(unsigned int) * nr_cpu_ids;
if (size > PAGE_SIZE)
i->stackptr = vmalloc(size);
else
i->stackptr = kmalloc(size, GFP_KERNEL);
i->stackptr = alloc_percpu(unsigned int);
if (i->stackptr == NULL)
return -ENOMEM;
memset(i->stackptr, 0, size);
size = sizeof(void **) * nr_cpu_ids;
if (size > PAGE_SIZE)
......@@ -844,10 +837,6 @@ struct xt_table *xt_register_table(struct net *net,
struct xt_table_info *private;
struct xt_table *t, *table;
ret = xt_jumpstack_alloc(newinfo);
if (ret < 0)
return ERR_PTR(ret);
/* Don't add one object to multiple lists. */
table = kmemdup(input_table, sizeof(struct xt_table), GFP_KERNEL);
if (!table) {
......
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