diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dst.c | 17 | ||||
| -rw-r--r-- | net/ipv4/route.c | 2 |
2 files changed, 1 insertions, 18 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index a263309df115..1f13d90cd0e4 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -26,23 +26,6 @@ #include <net/dst.h> #include <net/dst_metadata.h> -/* - * Theory of operations: - * 1) We use a list, protected by a spinlock, to add - * new entries from both BH and non-BH context. - * 2) In order to keep spinlock held for a small delay, - * we use a second list where are stored long lived - * entries, that are handled by the garbage collect thread - * fired by a workqueue. - * 3) This list is guarded by a mutex, - * so that the gc_task and dst_dev_event() can be synchronized. - */ - -/* - * We want to keep lock & list close together - * to dirty as few cache lines as possible in __dst_free(). - * As this is not a very strong hint, we dont force an alignment on SMP. - */ int dst_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb) { kfree_skb(skb); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a5da63e5faa2..14c7fdacaa72 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1176,7 +1176,7 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) * * When a PMTU/redirect information update invalidates a route, * this is indicated by setting obsolete to DST_OBSOLETE_KILL or - * DST_OBSOLETE_DEAD by dst_free(). + * DST_OBSOLETE_DEAD. */ if (dst->obsolete != DST_OBSOLETE_FORCE_CHK || rt_is_expired(rt)) return NULL; |