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-rw-r--r--net/ipv4/route.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f701a13..f2e82af 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -240,9 +240,8 @@ static unsigned rt_hash_mask;
static int rt_hash_log;
static unsigned int rt_hash_rnd;
-static struct rt_cache_stat *rt_cache_stat;
-#define RT_CACHE_STAT_INC(field) \
- (per_cpu_ptr(rt_cache_stat, raw_smp_processor_id())->field++)
+static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
+#define RT_CACHE_STAT_INC(field) (__get_cpu_var(rt_cache_stat).field++)
static int rt_intern_hash(unsigned hash, struct rtable *rth,
struct rtable **res);
@@ -401,7 +400,7 @@ static void *rt_cpu_seq_start(struct seq_file *seq, loff_t *pos)
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
- return per_cpu_ptr(rt_cache_stat, cpu);
+ return &per_cpu(rt_cache_stat, cpu);
}
return NULL;
}
@@ -414,7 +413,7 @@ static void *rt_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
- return per_cpu_ptr(rt_cache_stat, cpu);
+ return &per_cpu(rt_cache_stat, cpu);
}
return NULL;
@@ -3160,10 +3159,6 @@ int __init ip_rt_init(void)
ipv4_dst_ops.gc_thresh = (rt_hash_mask + 1);
ip_rt_max_size = (rt_hash_mask + 1) * 16;
- rt_cache_stat = alloc_percpu(struct rt_cache_stat);
- if (!rt_cache_stat)
- return -ENOMEM;
-
devinet_init();
ip_fib_init();
@@ -3191,7 +3186,6 @@ int __init ip_rt_init(void)
if (!proc_net_fops_create("rt_cache", S_IRUGO, &rt_cache_seq_fops) ||
!(rtstat_pde = create_proc_entry("rt_cache", S_IRUGO,
proc_net_stat))) {
- free_percpu(rt_cache_stat);
return -ENOMEM;
}
rtstat_pde->proc_fops = &rt_cpu_seq_fops;
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