Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / net / ipv4 / inetpeer.c

diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index 9547395..2160874 100644 (file)
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -20,6 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/net.h>
+#include <net/ip.h>
 #include <net/inetpeer.h>
 
 /*
@@ -72,7 +73,7 @@
 /* Exported for inet_getid inline function.  */
 DEFINE_SPINLOCK(inet_peer_idlock);
 
-static kmem_cache_t *peer_cachep;
+static kmem_cache_t *peer_cachep __read_mostly;
 
 #define node_height(x) x->avl_height
 static struct inet_peer peer_fake_node = {
@@ -99,8 +100,7 @@ DEFINE_SPINLOCK(inet_peer_unused_lock);
 #define PEER_MAX_CLEANUP_WORK 30
 
 static void peer_check_expire(unsigned long dummy);
-static struct timer_list peer_periodic_timer =
-       TIMER_INITIALIZER(peer_check_expire, 0, 0);
+static DEFINE_TIMER(peer_periodic_timer, peer_check_expire, 0, 0);
 
 /* Exported for sysctl_net_ipv4.  */
 int inet_peer_gc_mintime = 10 * HZ,
@@ -304,8 +304,7 @@ static void unlink_from_pool(struct inet_peer *p)
                        /* look for a node to insert instead of p */
                        struct inet_peer *t;
                        t = lookup_rightempty(p);
-                       if (*stackptr[-1] != t)
-                               BUG();
+                       BUG_ON(*stackptr[-1] != t);
                        **--stackptr = t->avl_left;
                        /* t is removed, t->v4daddr > x->v4daddr for any
                         * x in p->avl_left subtree.
@@ -314,8 +313,7 @@ static void unlink_from_pool(struct inet_peer *p)
                        t->avl_left = p->avl_left;
                        t->avl_right = p->avl_right;
                        t->avl_height = p->avl_height;
-                       if (delp[1] != &p->avl_left)
-                               BUG();
+                       BUG_ON(delp[1] != &p->avl_left);
                        delp[1] = &t->avl_left; /* was &p->avl_left */
                }
                peer_avl_rebalance(stack, stackptr);
@@ -401,6 +399,7 @@ struct inet_peer *inet_getpeer(__u32 daddr, int create)
                return NULL;
        n->v4daddr = daddr;
        atomic_set(&n->refcnt, 1);
+       atomic_set(&n->rid, 0);
        n->ip_id_count = secure_ip_id(daddr);
        n->tcp_ts_stamp = 0;
 
@@ -450,11 +449,12 @@ static void peer_check_expire(unsigned long dummy)
        /* Trigger the timer after inet_peer_gc_mintime .. inet_peer_gc_maxtime
         * interval depending on the total number of entries (more entries,
         * less interval). */
-       peer_periodic_timer.expires = jiffies
-               + inet_peer_gc_maxtime
-               - (inet_peer_gc_maxtime - inet_peer_gc_mintime) / HZ *
-                       peer_total / inet_peer_threshold * HZ;
+       if (peer_total >= inet_peer_threshold)
+               peer_periodic_timer.expires = jiffies + inet_peer_gc_mintime;
+       else
+               peer_periodic_timer.expires = jiffies
+                       + inet_peer_gc_maxtime
+                       - (inet_peer_gc_maxtime - inet_peer_gc_mintime) / HZ *
+                               peer_total / inet_peer_threshold * HZ;
        add_timer(&peer_periodic_timer);
 }
-
-EXPORT_SYMBOL(inet_peer_idlock);