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author | David S. Miller <davem@davemloft.net> | 2011-05-18 18:23:21 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-05-18 18:23:21 -0400 |
commit | 6882f933ccee5c3a86443ffc7621ce888b93ab6b (patch) | |
tree | 07998f54bd459c5345491fbaeae03bd60540c6e8 /net | |
parent | 12f4d0a8770ab26639091d0b2509b19681daad69 (diff) | |
download | linux-3.10-6882f933ccee5c3a86443ffc7621ce888b93ab6b.tar.gz linux-3.10-6882f933ccee5c3a86443ffc7621ce888b93ab6b.tar.bz2 linux-3.10-6882f933ccee5c3a86443ffc7621ce888b93ab6b.zip |
ipv4: Kill RT_CACHE_DEBUG
It's way past it's usefulness. And this gets rid of a bunch
of stray ->rt_{dst,src} references.
Even the comment documenting the macro was inaccurate (stated
default was 1 when it's 0).
If reintroduced, it should be done properly, with dynamic debug
facilities.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/core/dst.c | 22 | ||||
-rw-r--r-- | net/ipv4/route.c | 22 |
2 files changed, 0 insertions, 44 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 30f009327b6..da47a299618 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -33,9 +33,6 @@ * 3) This list is guarded by a mutex, * so that the gc_task and dst_dev_event() can be synchronized. */ -#if RT_CACHE_DEBUG >= 2 -static atomic_t dst_total = ATOMIC_INIT(0); -#endif /* * We want to keep lock & list close together @@ -69,10 +66,6 @@ static void dst_gc_task(struct work_struct *work) unsigned long expires = ~0L; struct dst_entry *dst, *next, head; struct dst_entry *last = &head; -#if RT_CACHE_DEBUG >= 2 - ktime_t time_start = ktime_get(); - struct timespec elapsed; -#endif mutex_lock(&dst_gc_mutex); next = dst_busy_list; @@ -146,15 +139,6 @@ loop: spin_unlock_bh(&dst_garbage.lock); mutex_unlock(&dst_gc_mutex); -#if RT_CACHE_DEBUG >= 2 - elapsed = ktime_to_timespec(ktime_sub(ktime_get(), time_start)); - printk(KERN_DEBUG "dst_total: %d delayed: %d work_perf: %d" - " expires: %lu elapsed: %lu us\n", - atomic_read(&dst_total), delayed, work_performed, - expires, - elapsed.tv_sec * USEC_PER_SEC + - elapsed.tv_nsec / NSEC_PER_USEC); -#endif } int dst_discard(struct sk_buff *skb) @@ -205,9 +189,6 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev, dst->lastuse = jiffies; dst->flags = flags; dst->next = NULL; -#if RT_CACHE_DEBUG >= 2 - atomic_inc(&dst_total); -#endif dst_entries_add(ops, 1); return dst; } @@ -267,9 +248,6 @@ again: dst->ops->destroy(dst); if (dst->dev) dev_put(dst->dev); -#if RT_CACHE_DEBUG >= 2 - atomic_dec(&dst_total); -#endif kmem_cache_free(dst->ops->kmem_cachep, dst); dst = child; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index cb93c32027d..9c5ad86bc78 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -968,10 +968,6 @@ static int rt_garbage_collect(struct dst_ops *ops) break; expire >>= 1; -#if RT_CACHE_DEBUG >= 2 - printk(KERN_DEBUG "expire>> %u %d %d %d\n", expire, - dst_entries_get_fast(&ipv4_dst_ops), goal, i); -#endif if (dst_entries_get_fast(&ipv4_dst_ops) < ip_rt_max_size) goto out; @@ -992,10 +988,6 @@ work_done: dst_entries_get_fast(&ipv4_dst_ops) < ipv4_dst_ops.gc_thresh || dst_entries_get_slow(&ipv4_dst_ops) < ipv4_dst_ops.gc_thresh) expire = ip_rt_gc_timeout; -#if RT_CACHE_DEBUG >= 2 - printk(KERN_DEBUG "expire++ %u %d %d %d\n", expire, - dst_entries_get_fast(&ipv4_dst_ops), goal, rover); -#endif out: return 0; } @@ -1179,16 +1171,6 @@ restart: rt->dst.rt_next = rt_hash_table[hash].chain; -#if RT_CACHE_DEBUG >= 2 - if (rt->dst.rt_next) { - struct rtable *trt; - printk(KERN_DEBUG "rt_cache @%02x: %pI4", - hash, &rt->rt_dst); - for (trt = rt->dst.rt_next; trt; trt = trt->dst.rt_next) - printk(" . %pI4", &trt->rt_dst); - printk("\n"); - } -#endif /* * Since lookup is lockfree, we must make sure * previous writes to rt are committed to memory @@ -1347,10 +1329,6 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst) unsigned hash = rt_hash(rt->rt_key_dst, rt->rt_key_src, rt->rt_oif, rt_genid(dev_net(dst->dev))); -#if RT_CACHE_DEBUG >= 1 - printk(KERN_DEBUG "ipv4_negative_advice: redirect to %pI4/%02x dropped\n", - &rt->rt_dst, rt->rt_key_tos); -#endif rt_del(hash, rt); ret = NULL; } else if (rt->peer && |