Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus

7 files changed, 23 insertions, 38 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 59d058a3b504..e660cb57e42a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3340,7 +3340,6 @@ void unregister_netdev(struct net_device *dev)
 
 EXPORT_SYMBOL(unregister_netdev);
 
-#ifdef CONFIG_HOTPLUG_CPU
 static int dev_cpu_callback(struct notifier_block *nfb,
 			    unsigned long action,
 			    void *ocpu)
@@ -3384,7 +3383,6 @@ static int dev_cpu_callback(struct notifier_block *nfb,
 
 	return NOTIFY_OK;
 }
-#endif /* CONFIG_HOTPLUG_CPU */
 
 #ifdef CONFIG_NET_DMA
 /**
diff --git a/net/core/dst.c b/net/core/dst.c
index 1a5e49da0e77..836ec6606925 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -125,7 +125,7 @@ void * dst_alloc(struct dst_ops * ops)
 		if (ops->gc())
 			return NULL;
 	}
-	dst = kmem_cache_alloc(ops->kmem_cachep, SLAB_ATOMIC);
+	dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC);
 	if (!dst)
 		return NULL;
 	memset(dst, 0, ops->entry_size);
diff --git a/net/core/flow.c b/net/core/flow.c
index b16d31ae5e54..d137f971f97d 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -44,7 +44,7 @@ static DEFINE_PER_CPU(struct flow_cache_entry **, flow_tables) = { NULL };
 
 #define flow_table(cpu) (per_cpu(flow_tables, cpu))
 
-static kmem_cache_t *flow_cachep __read_mostly;
+static struct kmem_cache *flow_cachep __read_mostly;
 
 static int flow_lwm, flow_hwm;
 
@@ -211,7 +211,7 @@ void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
 		if (flow_count(cpu) > flow_hwm)
 			flow_cache_shrink(cpu);
 
-		fle = kmem_cache_alloc(flow_cachep, SLAB_ATOMIC);
+		fle = kmem_cache_alloc(flow_cachep, GFP_ATOMIC);
 		if (fle) {
 			fle->next = *head;
 			*head = fle;
@@ -340,7 +340,6 @@ static void __devinit flow_cache_cpu_prepare(int cpu)
 	tasklet_init(tasklet, flow_cache_flush_tasklet, 0);
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
 static int flow_cache_cpu(struct notifier_block *nfb,
 			  unsigned long action,
 			  void *hcpu)
@@ -349,7 +348,6 @@ static int flow_cache_cpu(struct notifier_block *nfb,
 		__flow_cache_shrink((unsigned long)hcpu, 0);
 	return NOTIFY_OK;
 }
-#endif /* CONFIG_HOTPLUG_CPU */
 
 static int __init flow_cache_init(void)
 {
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index ba509a4a8e92..0ab1987b9348 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -251,7 +251,7 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl)
 			goto out_entries;
 	}
 
-	n = kmem_cache_alloc(tbl->kmem_cachep, SLAB_ATOMIC);
+	n = kmem_cache_alloc(tbl->kmem_cachep, GFP_ATOMIC);
 	if (!n)
 		goto out_entries;
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8e1c385e5ba9..de7801d589e7 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -68,8 +68,8 @@
 
 #include "kmap_skb.h"
 
-static kmem_cache_t *skbuff_head_cache __read_mostly;
-static kmem_cache_t *skbuff_fclone_cache __read_mostly;
+static struct kmem_cache *skbuff_head_cache __read_mostly;
+static struct kmem_cache *skbuff_fclone_cache __read_mostly;
 
 /*
  *	Keep out-of-line to prevent kernel bloat.
@@ -132,6 +132,7 @@ EXPORT_SYMBOL(skb_truesize_bug);
  *	@gfp_mask: allocation mask
  *	@fclone: allocate from fclone cache instead of head cache
  *		and allocate a cloned (child) skb
+ *	@node: numa node to allocate memory on
  *
  *	Allocate a new &sk_buff. The returned buffer has no headroom and a
  *	tail room of size bytes. The object has a reference count of one.
@@ -141,9 +142,9 @@ EXPORT_SYMBOL(skb_truesize_bug);
  *	%GFP_ATOMIC.
  */
 struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
-			    int fclone)
+			    int fclone, int node)
 {
-	kmem_cache_t *cache;
+	struct kmem_cache *cache;
 	struct skb_shared_info *shinfo;
 	struct sk_buff *skb;
 	u8 *data;
@@ -151,14 +152,14 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
 
 	/* Get the HEAD */
-	skb = kmem_cache_alloc(cache, gfp_mask & ~__GFP_DMA);
+	skb = kmem_cache_alloc_node(cache, gfp_mask & ~__GFP_DMA, node);
 	if (!skb)
 		goto out;
 
 	/* Get the DATA. Size must match skb_add_mtu(). */
 	size = SKB_DATA_ALIGN(size);
-	data = kmalloc_track_caller(size + sizeof(struct skb_shared_info),
-			gfp_mask);
+	data = kmalloc_node_track_caller(size + sizeof(struct skb_shared_info),
+			gfp_mask, node);
 	if (!data)
 		goto nodata;
 
@@ -210,7 +211,7 @@ nodata:
  *	Buffers may only be allocated from interrupts using a @gfp_mask of
  *	%GFP_ATOMIC.
  */
-struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
+struct sk_buff *alloc_skb_from_cache(struct kmem_cache *cp,
 				     unsigned int size,
 				     gfp_t gfp_mask)
 {
@@ -267,9 +268,10 @@ nodata:
 struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
 		unsigned int length, gfp_t gfp_mask)
 {
+	int node = dev->class_dev.dev ? dev_to_node(dev->class_dev.dev) : -1;
 	struct sk_buff *skb;
 
-	skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
+ 	skb = __alloc_skb(length + NET_SKB_PAD, gfp_mask, 0, node);
 	if (likely(skb)) {
 		skb_reserve(skb, NET_SKB_PAD);
 		skb->dev = dev;
diff --git a/net/core/sock.c b/net/core/sock.c
index 419c7d3289c7..0ed5b4f0bc40 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -810,24 +810,11 @@ lenout:
  */
 static void inline sock_lock_init(struct sock *sk)
 {
-	spin_lock_init(&sk->sk_lock.slock);
-	sk->sk_lock.owner = NULL;
-	init_waitqueue_head(&sk->sk_lock.wq);
-	/*
-	 * Make sure we are not reinitializing a held lock:
-	 */
-	debug_check_no_locks_freed((void *)&sk->sk_lock, sizeof(sk->sk_lock));
-
-	/*
-	 * Mark both the sk_lock and the sk_lock.slock as a
-	 * per-address-family lock class:
-	 */
-	lockdep_set_class_and_name(&sk->sk_lock.slock,
-				   af_family_slock_keys + sk->sk_family,
-				   af_family_slock_key_strings[sk->sk_family]);
-	lockdep_init_map(&sk->sk_lock.dep_map,
-			 af_family_key_strings[sk->sk_family],
-			 af_family_keys + sk->sk_family, 0);
+	sock_lock_init_class_and_name(sk,
+			af_family_slock_key_strings[sk->sk_family],
+			af_family_slock_keys + sk->sk_family,
+			af_family_key_strings[sk->sk_family],
+			af_family_keys + sk->sk_family);
 }
 
 /**
@@ -841,7 +828,7 @@ struct sock *sk_alloc(int family, gfp_t priority,
 		      struct proto *prot, int zero_it)
 {
 	struct sock *sk = NULL;
-	kmem_cache_t *slab = prot->slab;
+	struct kmem_cache *slab = prot->slab;
 
 	if (slab != NULL)
 		sk = kmem_cache_alloc(slab, priority);
diff --git a/net/core/wireless.c b/net/core/wireless.c
index cb1b8728d7ee..f69ab7b4408e 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -2130,7 +2130,7 @@ int iw_handler_set_spy(struct net_device *	dev,
 	 * The rtnl_lock() make sure we don't race with the other iw_handlers.
 	 * This make sure wireless_spy_update() "see" that the spy list
 	 * is temporarily disabled. */
-	wmb();
+	smp_wmb();
 
 	/* Are there are addresses to copy? */
 	if(wrqu->data.length > 0) {
@@ -2159,7 +2159,7 @@ int iw_handler_set_spy(struct net_device *	dev,
 	}
 
 	/* Make sure above is updated before re-enabling */
-	wmb();
+	smp_wmb();
 
 	/* Enable addresses */
 	spydata->spy_number = wrqu->data.length;