44 files changed, 167 insertions, 104 deletions

diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index d9f04864d15d..8ca448db7a0d 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -23,7 +23,7 @@
 #include <asm/atomic.h>
 #include "br_private.h"
 
-static kmem_cache_t *br_fdb_cache __read_mostly;
+static struct kmem_cache *br_fdb_cache __read_mostly;
 static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
                       const unsigned char *addr);
 
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/dccp/ackvec.c b/net/dccp/ackvec.c
index bdf1bb7a82c0..1f4727ddbdbf 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -21,8 +21,8 @@
 
 #include <net/sock.h>
 
-static kmem_cache_t *dccp_ackvec_slab;
-static kmem_cache_t *dccp_ackvec_record_slab;
+static struct kmem_cache *dccp_ackvec_slab;
+static struct kmem_cache *dccp_ackvec_record_slab;
 
 static struct dccp_ackvec_record *dccp_ackvec_record_new(void)
 {
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index ff05e59043cd..d8cf92f09e68 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -55,9 +55,9 @@ static inline void ccids_read_unlock(void)
 #define ccids_read_unlock() do { } while(0)
 #endif
 
-static kmem_cache_t *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
+static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
 {
-        kmem_cache_t *slab;
+        struct kmem_cache *slab;
         char slab_name_fmt[32], *slab_name;
         va_list args;
 
@@ -75,7 +75,7 @@ static kmem_cache_t *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
         return slab;
 }
 
-static void ccid_kmem_cache_destroy(kmem_cache_t *slab)
+static void ccid_kmem_cache_destroy(struct kmem_cache *slab)
 {
         if (slab != NULL) {
                 const char *name = kmem_cache_name(slab);
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index c7c29514dce8..bcc2d12ae81c 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -27,9 +27,9 @@ struct ccid_operations {
         unsigned char   ccid_id;
         const char      *ccid_name;
         struct module   *ccid_owner;
-        kmem_cache_t    *ccid_hc_rx_slab;
+        struct kmem_cache       *ccid_hc_rx_slab;
         __u32           ccid_hc_rx_obj_size;
-        kmem_cache_t    *ccid_hc_tx_slab;
+        struct kmem_cache       *ccid_hc_tx_slab;
         __u32           ccid_hc_tx_obj_size;
         int             (*ccid_hc_rx_init)(struct ccid *ccid, struct sock *sk);
         int             (*ccid_hc_tx_init)(struct ccid *ccid, struct sock *sk);
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index cf8c07b2704f..66a27b9688ca 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -295,7 +295,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
         new_packet = dccp_tx_hist_head(&hctx->ccid3hctx_hist);
         if (new_packet == NULL || new_packet->dccphtx_sent) {
                 new_packet = dccp_tx_hist_entry_new(ccid3_tx_hist,
-                                                    SLAB_ATOMIC);
+                                                    GFP_ATOMIC);
 
                 if (unlikely(new_packet == NULL)) {
                         DCCP_WARN("%s, sk=%p, not enough mem to add to history,"
@@ -889,7 +889,7 @@ static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss)
                 /* new loss event detected */
                 /* calculate last interval length */
                 seq_temp = dccp_delta_seqno(head->dccplih_seqno, seq_loss);
-                entry = dccp_li_hist_entry_new(ccid3_li_hist, SLAB_ATOMIC);
+                entry = dccp_li_hist_entry_new(ccid3_li_hist, GFP_ATOMIC);
 
                 if (entry == NULL) {
                         DCCP_BUG("out of memory - can not allocate entry");
@@ -1011,7 +1011,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         }
 
         packet = dccp_rx_hist_entry_new(ccid3_rx_hist, sk, opt_recv->dccpor_ndp,
-                                        skb, SLAB_ATOMIC);
+                                        skb, GFP_ATOMIC);
         if (unlikely(packet == NULL)) {
                 DCCP_WARN("%s, sk=%p, Not enough mem to add rx packet "
                           "to history, consider it lost!\n", dccp_role(sk), sk);
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 48b9b93f8acb..0a0baef16b3e 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -125,7 +125,7 @@ int dccp_li_hist_interval_new(struct dccp_li_hist *hist,
         int i;
 
         for (i = 0; i < DCCP_LI_HIST_IVAL_F_LENGTH; i++) {
-                entry = dccp_li_hist_entry_new(hist, SLAB_ATOMIC);
+                entry = dccp_li_hist_entry_new(hist, GFP_ATOMIC);
                 if (entry == NULL) {
                         dccp_li_hist_purge(hist, list);
                         DCCP_BUG("loss interval list entry is NULL");
diff --git a/net/dccp/ccids/lib/loss_interval.h b/net/dccp/ccids/lib/loss_interval.h
index 0ae85f0340b2..eb257014dd74 100644
--- a/net/dccp/ccids/lib/loss_interval.h
+++ b/net/dccp/ccids/lib/loss_interval.h
@@ -20,7 +20,7 @@
 #define DCCP_LI_HIST_IVAL_F_LENGTH  8
 
 struct dccp_li_hist {
-        kmem_cache_t *dccplih_slab;
+        struct kmem_cache *dccplih_slab;
 };
 
 extern struct dccp_li_hist *dccp_li_hist_new(const char *name);
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 067cf1c85a37..9a8bcf224aa7 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -68,14 +68,14 @@ struct dccp_rx_hist_entry {
 };
 
 struct dccp_tx_hist {
-        kmem_cache_t *dccptxh_slab;
+        struct kmem_cache *dccptxh_slab;
 };
 
 extern struct dccp_tx_hist *dccp_tx_hist_new(const char *name);
 extern void dccp_tx_hist_delete(struct dccp_tx_hist *hist);
 
 struct dccp_rx_hist {
-        kmem_cache_t *dccprxh_slab;
+        struct kmem_cache *dccprxh_slab;
 };
 
 extern struct dccp_rx_hist *dccp_rx_hist_new(const char *name);
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index bdbc3f431668..13b2421991ba 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -79,7 +79,7 @@ for( ; ((f) = *(fp)) != NULL && dn_key_eq((f)->fn_key, (key)); (fp) = &(f)->fn_n
 static struct hlist_head dn_fib_table_hash[DN_FIB_TABLE_HASHSZ];
 static DEFINE_RWLOCK(dn_fib_tables_lock);
 
-static kmem_cache_t *dn_hash_kmem __read_mostly;
+static struct kmem_cache *dn_hash_kmem __read_mostly;
 static int dn_fib_hash_zombies;
 
 static inline dn_fib_idx_t dn_hash(dn_fib_key_t key, struct dn_zone *dz)
@@ -590,7 +590,7 @@ create:
 
 replace:
         err = -ENOBUFS;
-        new_f = kmem_cache_alloc(dn_hash_kmem, SLAB_KERNEL);
+        new_f = kmem_cache_alloc(dn_hash_kmem, GFP_KERNEL);
         if (new_f == NULL)
                 goto out;
 
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 107bb6cbb0b3..648f47c1c399 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -45,8 +45,8 @@
 
 #include "fib_lookup.h"
 
-static kmem_cache_t *fn_hash_kmem __read_mostly;
-static kmem_cache_t *fn_alias_kmem __read_mostly;
+static struct kmem_cache *fn_hash_kmem __read_mostly;
+static struct kmem_cache *fn_alias_kmem __read_mostly;
 
 struct fib_node {
         struct hlist_node       fn_hash;
@@ -485,13 +485,13 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg)
                 goto out;
 
         err = -ENOBUFS;
-        new_fa = kmem_cache_alloc(fn_alias_kmem, SLAB_KERNEL);
+        new_fa = kmem_cache_alloc(fn_alias_kmem, GFP_KERNEL);
         if (new_fa == NULL)
                 goto out;
 
         new_f = NULL;
         if (!f) {
-                new_f = kmem_cache_alloc(fn_hash_kmem, SLAB_KERNEL);
+                new_f = kmem_cache_alloc(fn_hash_kmem, GFP_KERNEL);
                 if (new_f == NULL)
                         goto out_free_new_fa;
 
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index d17990ec724f..cfb249cc0a58 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -172,7 +172,7 @@ static struct tnode *inflate(struct trie *t, struct tnode *tn);
 static struct tnode *halve(struct trie *t, struct tnode *tn);
 static void tnode_free(struct tnode *tn);
 
-static kmem_cache_t *fn_alias_kmem __read_mostly;
+static struct kmem_cache *fn_alias_kmem __read_mostly;
 static struct trie *trie_local = NULL, *trie_main = NULL;
 
 
@@ -1187,7 +1187,7 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
                         u8 state;
 
                         err = -ENOBUFS;
-                        new_fa = kmem_cache_alloc(fn_alias_kmem, SLAB_KERNEL);
+                        new_fa = kmem_cache_alloc(fn_alias_kmem, GFP_KERNEL);
                         if (new_fa == NULL)
                                 goto out;
 
@@ -1232,7 +1232,7 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
                 goto out;
 
         err = -ENOBUFS;
-        new_fa = kmem_cache_alloc(fn_alias_kmem, SLAB_KERNEL);
+        new_fa = kmem_cache_alloc(fn_alias_kmem, GFP_KERNEL);
         if (new_fa == NULL)
                 goto out;
 
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 244c4f445c7d..8c79c8a4ea5c 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -27,11 +27,11 @@
  * Allocate and initialize a new local port bind bucket.
  * The bindhash mutex for snum's hash chain must be held here.
  */
-struct inet_bind_bucket *inet_bind_bucket_create(kmem_cache_t *cachep,
+struct inet_bind_bucket *inet_bind_bucket_create(struct kmem_cache *cachep,
                                                  struct inet_bind_hashbucket *head,
                                                  const unsigned short snum)
 {
-        struct inet_bind_bucket *tb = kmem_cache_alloc(cachep, SLAB_ATOMIC);
+        struct inet_bind_bucket *tb = kmem_cache_alloc(cachep, GFP_ATOMIC);
 
         if (tb != NULL) {
                 tb->port      = snum;
@@ -45,7 +45,7 @@ struct inet_bind_bucket *inet_bind_bucket_create(kmem_cache_t *cachep,
 /*
  * Caller must hold hashbucket lock for this tb with local BH disabled
  */
-void inet_bind_bucket_destroy(kmem_cache_t *cachep, struct inet_bind_bucket *tb)
+void inet_bind_bucket_destroy(struct kmem_cache *cachep, struct inet_bind_bucket *tb)
 {
         if (hlist_empty(&tb->owners)) {
                 __hlist_del(&tb->node);
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 061fd7a961b8..9f414e35c488 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -91,7 +91,7 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
 {
         struct inet_timewait_sock *tw =
                 kmem_cache_alloc(sk->sk_prot_creator->twsk_prot->twsk_slab,
-                                 SLAB_ATOMIC);
+                                 GFP_ATOMIC);
         if (tw != NULL) {
                 const struct inet_sock *inet = inet_sk(sk);
 
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index f072f3875af8..711eb6d0285a 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -73,7 +73,7 @@
 /* Exported for inet_getid inline function.  */
 DEFINE_SPINLOCK(inet_peer_idlock);
 
-static kmem_cache_t *peer_cachep __read_mostly;
+static struct kmem_cache *peer_cachep __read_mostly;
 
 #define node_height(x) x->avl_height
 static struct inet_peer peer_fake_node = {
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index efcf45ecc818..ecb5422ea237 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -105,7 +105,7 @@ static DEFINE_SPINLOCK(mfc_unres_lock);
    In this case data path is free of exclusive locks at all.
  */
 
-static kmem_cache_t *mrt_cachep __read_mostly;
+static struct kmem_cache *mrt_cachep __read_mostly;
 
 static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local);
 static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert);
diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c
index 8832eb517d52..8086787a2c51 100644
--- a/net/ipv4/ipvs/ip_vs_conn.c
+++ b/net/ipv4/ipvs/ip_vs_conn.c
@@ -44,7 +44,7 @@
 static struct list_head *ip_vs_conn_tab;
 
 /*  SLAB cache for IPVS connections */
-static kmem_cache_t *ip_vs_conn_cachep __read_mostly;
+static struct kmem_cache *ip_vs_conn_cachep __read_mostly;
 
 /*  counter for current IPVS connections */
 static atomic_t ip_vs_conn_count = ATOMIC_INIT(0);
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index f4b0e68a16d2..8556a4f4f60a 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -65,8 +65,8 @@ static LIST_HEAD(helpers);
 unsigned int ip_conntrack_htable_size __read_mostly = 0;
 int ip_conntrack_max __read_mostly;
 struct list_head *ip_conntrack_hash __read_mostly;
-static kmem_cache_t *ip_conntrack_cachep __read_mostly;
-static kmem_cache_t *ip_conntrack_expect_cachep __read_mostly;
+static struct kmem_cache *ip_conntrack_cachep __read_mostly;
+static struct kmem_cache *ip_conntrack_expect_cachep __read_mostly;
 struct ip_conntrack ip_conntrack_untracked;
 unsigned int ip_ct_log_invalid __read_mostly;
 static LIST_HEAD(unconfirmed);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 87c8f54872b7..e5cd83b2205d 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -720,10 +720,8 @@ snmp6_mib_free(void *ptr[2])
 {
         if (ptr == NULL)
                 return;
-        if (ptr[0])
-                free_percpu(ptr[0]);
-        if (ptr[1])
-                free_percpu(ptr[1]);
+        free_percpu(ptr[0]);
+        free_percpu(ptr[1]);
         ptr[0] = ptr[1] = NULL;
 }
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index bf526115e518..96d8310ae9c8 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -50,7 +50,7 @@
 
 struct rt6_statistics   rt6_stats;
 
-static kmem_cache_t * fib6_node_kmem __read_mostly;
+static struct kmem_cache * fib6_node_kmem __read_mostly;
 
 enum fib_walk_state_t
 {
@@ -150,7 +150,7 @@ static __inline__ struct fib6_node * node_alloc(void)
 {
         struct fib6_node *fn;
 
-        if ((fn = kmem_cache_alloc(fib6_node_kmem, SLAB_ATOMIC)) != NULL)
+        if ((fn = kmem_cache_alloc(fib6_node_kmem, GFP_ATOMIC)) != NULL)
                 memset(fn, 0, sizeof(struct fib6_node));
 
         return fn;
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 01a5c52a2be3..12e426b9aacd 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -50,7 +50,7 @@ static u32 xfrm6_tunnel_spi;
 #define XFRM6_TUNNEL_SPI_MIN    1
 #define XFRM6_TUNNEL_SPI_MAX    0xffffffff
 
-static kmem_cache_t *xfrm6_tunnel_spi_kmem __read_mostly;
+static struct kmem_cache *xfrm6_tunnel_spi_kmem __read_mostly;
 
 #define XFRM6_TUNNEL_SPI_BYADDR_HSIZE 256
 #define XFRM6_TUNNEL_SPI_BYSPI_HSIZE 256
@@ -180,7 +180,7 @@ try_next_2:;
         spi = 0;
         goto out;
 alloc_spi:
-        x6spi = kmem_cache_alloc(xfrm6_tunnel_spi_kmem, SLAB_ATOMIC);
+        x6spi = kmem_cache_alloc(xfrm6_tunnel_spi_kmem, GFP_ATOMIC);
         if (!x6spi)
                 goto out;
 
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 9b3158ce46e1..9b02ec4012fb 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -108,7 +108,7 @@ static struct {
         size_t size;
 
         /* slab cache pointer */
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
 
         /* allocated slab cache + modules which uses this slab cache */
         int use;
@@ -147,7 +147,7 @@ int nf_conntrack_register_cache(u_int32_t features, const char *name,
 {
         int ret = 0;
         char *cache_name;
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
 
         DEBUGP("nf_conntrack_register_cache: features=0x%x, name=%s, size=%d\n",
                features, name, size);
@@ -226,7 +226,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_register_cache);
 /* FIXME: In the current, only nf_conntrack_cleanup() can call this function. */
 void nf_conntrack_unregister_cache(u_int32_t features)
 {
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
         char *name;
 
         /*
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 7df8f9a2f863..9cbf926cdd14 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -29,7 +29,7 @@
 LIST_HEAD(nf_conntrack_expect_list);
 EXPORT_SYMBOL_GPL(nf_conntrack_expect_list);
 
-kmem_cache_t *nf_conntrack_expect_cachep __read_mostly;
+struct kmem_cache *nf_conntrack_expect_cachep __read_mostly;
 static unsigned int nf_conntrack_expect_next_id;
 
 /* nf_conntrack_expect helper functions */
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index a98de0b54d65..a5a6e192ac2d 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -92,7 +92,7 @@ struct xt_hashlimit_htable {
 static DEFINE_SPINLOCK(hashlimit_lock); /* protects htables list */
 static DEFINE_MUTEX(hlimit_mutex);      /* additional checkentry protection */
 static HLIST_HEAD(hashlimit_htables);
-static kmem_cache_t *hashlimit_cachep __read_mostly;
+static struct kmem_cache *hashlimit_cachep __read_mostly;
 
 static inline int dst_cmp(const struct dsthash_ent *ent, struct dsthash_dst *b)
 {
diff --git a/net/rxrpc/krxiod.c b/net/rxrpc/krxiod.c
index dada34a77b21..49effd92144e 100644
--- a/net/rxrpc/krxiod.c
+++ b/net/rxrpc/krxiod.c
@@ -13,6 +13,7 @@
 #include <linux/completion.h>
 #include <linux/spinlock.h>
 #include <linux/init.h>
+#include <linux/freezer.h>
 #include <rxrpc/krxiod.h>
 #include <rxrpc/transport.h>
 #include <rxrpc/peer.h>
diff --git a/net/rxrpc/krxsecd.c b/net/rxrpc/krxsecd.c
index cea4eb5e2497..3ab0f77409f4 100644
--- a/net/rxrpc/krxsecd.c
+++ b/net/rxrpc/krxsecd.c
@@ -27,6 +27,7 @@
 #include <rxrpc/call.h>
 #include <linux/udp.h>
 #include <linux/ip.h>
+#include <linux/freezer.h>
 #include <net/sock.h>
 #include "internal.h"
 
diff --git a/net/rxrpc/krxtimod.c b/net/rxrpc/krxtimod.c
index 3e7466900bd4..9a9b6132dba4 100644
--- a/net/rxrpc/krxtimod.c
+++ b/net/rxrpc/krxtimod.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/completion.h>
+#include <linux/freezer.h>
 #include <rxrpc/rxrpc.h>
 #include <rxrpc/krxtimod.h>
 #include <asm/errno.h>
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 11f3b549f4a4..f2ba8615895b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -79,8 +79,8 @@ static struct sctp_pf *sctp_pf_inet_specific;
 static struct sctp_af *sctp_af_v4_specific;
 static struct sctp_af *sctp_af_v6_specific;
 
-kmem_cache_t *sctp_chunk_cachep __read_mostly;
-kmem_cache_t *sctp_bucket_cachep __read_mostly;
+struct kmem_cache *sctp_chunk_cachep __read_mostly;
+struct kmem_cache *sctp_bucket_cachep __read_mostly;
 
 /* Return the address of the control sock. */
 struct sock *sctp_get_ctl_sock(void)
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 04954e5f6846..30927d3a597f 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -65,7 +65,7 @@
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
 
-extern kmem_cache_t *sctp_chunk_cachep;
+extern struct kmem_cache *sctp_chunk_cachep;
 
 SCTP_STATIC
 struct sctp_chunk *sctp_make_chunk(const struct sctp_association *asoc,
@@ -979,7 +979,7 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
 {
         struct sctp_chunk *retval;
 
-        retval = kmem_cache_alloc(sctp_chunk_cachep, SLAB_ATOMIC);
+        retval = kmem_cache_alloc(sctp_chunk_cachep, GFP_ATOMIC);
 
         if (!retval)
                 goto nodata;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 02b27145b279..1e8132b8c4d9 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -107,7 +107,7 @@ static void sctp_sock_migrate(struct sock *, struct sock *,
                               struct sctp_association *, sctp_socket_type_t);
 static char *sctp_hmac_alg = SCTP_COOKIE_HMAC_ALG;
 
-extern kmem_cache_t *sctp_bucket_cachep;
+extern struct kmem_cache *sctp_bucket_cachep;
 
 /* Get the sndbuf space available at the time on the association.  */
 static inline int sctp_wspace(struct sctp_association *asoc)
@@ -4989,7 +4989,7 @@ static struct sctp_bind_bucket *sctp_bucket_create(
 {
         struct sctp_bind_bucket *pp;
 
-        pp = kmem_cache_alloc(sctp_bucket_cachep, SLAB_ATOMIC);
+        pp = kmem_cache_alloc(sctp_bucket_cachep, GFP_ATOMIC);
         SCTP_DBG_OBJCNT_INC(bind_bucket);
         if (pp) {
                 pp->port = snum;
diff --git a/net/socket.c b/net/socket.c
index e8db54702a69..29ea1de43ecb 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -230,13 +230,13 @@ int move_addr_to_user(void *kaddr, int klen, void __user *uaddr,
 
 #define SOCKFS_MAGIC 0x534F434B
 
-static kmem_cache_t *sock_inode_cachep __read_mostly;
+static struct kmem_cache *sock_inode_cachep __read_mostly;
 
 static struct inode *sock_alloc_inode(struct super_block *sb)
 {
         struct socket_alloc *ei;
 
-        ei = kmem_cache_alloc(sock_inode_cachep, SLAB_KERNEL);
+        ei = kmem_cache_alloc(sock_inode_cachep, GFP_KERNEL);
         if (!ei)
                 return NULL;
         init_waitqueue_head(&ei->socket.wait);
@@ -257,7 +257,7 @@ static void sock_destroy_inode(struct inode *inode)
                         container_of(inode, struct socket_alloc, vfs_inode));
 }
 
-static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
+static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
         struct socket_alloc *ei = (struct socket_alloc *)foo;
 
@@ -305,7 +305,14 @@ static struct file_system_type sock_fs_type = {
 
 static int sockfs_delete_dentry(struct dentry *dentry)
 {
-        return 1;
+        /*
+         * At creation time, we pretended this dentry was hashed
+         * (by clearing DCACHE_UNHASHED bit in d_flags)
+         * At delete time, we restore the truth : not hashed.
+         * (so that dput() can proceed correctly)
+         */
+        dentry->d_flags |= DCACHE_UNHASHED;
+        return 0;
 }
 static struct dentry_operations sockfs_dentry_operations = {
         .d_delete = sockfs_delete_dentry,
@@ -353,14 +360,20 @@ static int sock_attach_fd(struct socket *sock, struct file *file)
 
         this.len = sprintf(name, "[%lu]", SOCK_INODE(sock)->i_ino);
         this.name = name;
-        this.hash = SOCK_INODE(sock)->i_ino;
+        this.hash = 0;
 
         file->f_dentry = d_alloc(sock_mnt->mnt_sb->s_root, &this);
         if (unlikely(!file->f_dentry))
                 return -ENOMEM;
 
         file->f_dentry->d_op = &sockfs_dentry_operations;
-        d_add(file->f_dentry, SOCK_INODE(sock));
+        /*
+         * We dont want to push this dentry into global dentry hash table.
+         * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED
+         * This permits a working /proc/$pid/fd/XXX on sockets
+         */
+        file->f_dentry->d_flags &= ~DCACHE_UNHASHED;
+        d_instantiate(file->f_dentry, SOCK_INODE(sock));
         file->f_vfsmnt = mntget(sock_mnt);
         file->f_mapping = file->f_dentry->d_inode->i_mapping;
 
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 49dba5febbbd..19703aa9659e 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -33,7 +33,7 @@ static int rpc_mount_count;
 static struct file_system_type rpc_pipe_fs_type;
 
 
-static kmem_cache_t *rpc_inode_cachep __read_mostly;
+static struct kmem_cache *rpc_inode_cachep __read_mostly;
 
 #define RPC_UPCALL_TIMEOUT (30*HZ)
 
@@ -143,7 +143,7 @@ static struct inode *
 rpc_alloc_inode(struct super_block *sb)
 {
         struct rpc_inode *rpci;
-        rpci = (struct rpc_inode *)kmem_cache_alloc(rpc_inode_cachep, SLAB_KERNEL);
+        rpci = (struct rpc_inode *)kmem_cache_alloc(rpc_inode_cachep, GFP_KERNEL);
         if (!rpci)
                 return NULL;
         return &rpci->vfs_inode;
@@ -824,7 +824,7 @@ static struct file_system_type rpc_pipe_fs_type = {
 };
 
 static void
-init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
 {
         struct rpc_inode *rpci = (struct rpc_inode *) foo;
 
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index eff44bcdc95a..225e6510b523 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -34,8 +34,8 @@ static int			rpc_task_id;
 #define RPC_BUFFER_MAXSIZE      (2048)
 #define RPC_BUFFER_POOLSIZE     (8)
 #define RPC_TASK_POOLSIZE       (8)
-static kmem_cache_t     *rpc_task_slabp __read_mostly;
-static kmem_cache_t     *rpc_buffer_slabp __read_mostly;
+static struct kmem_cache        *rpc_task_slabp __read_mostly;
+static struct kmem_cache        *rpc_buffer_slabp __read_mostly;
 static mempool_t        *rpc_task_mempool __read_mostly;
 static mempool_t        *rpc_buffer_mempool __read_mostly;
 
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index ee9bb1522d5e..c7bb5f7f21a5 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -119,7 +119,8 @@ EXPORT_SYMBOL(svc_auth_unregister);
 #define DN_HASHMASK     (DN_HASHMAX-1)
 
 static struct hlist_head        auth_domain_table[DN_HASHMAX];
-static spinlock_t       auth_domain_lock = SPIN_LOCK_UNLOCKED;
+static spinlock_t       auth_domain_lock =
+        __SPIN_LOCK_UNLOCKED(auth_domain_lock);
 
 void auth_domain_put(struct auth_domain *dom)
 {
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 64ca1f61dd94..99f54fb6d669 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -32,6 +32,7 @@
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/file.h>
+#include <linux/freezer.h>
 #include <net/sock.h>
 #include <net/checksum.h>
 #include <net/ip.h>
@@ -84,6 +85,35 @@ static struct cache_deferred_req *svc_defer(struct cache_req *req);
  */
 static int svc_conn_age_period = 6*60;
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static struct lock_class_key svc_key[2];
+static struct lock_class_key svc_slock_key[2];
+
+static inline void svc_reclassify_socket(struct socket *sock)
+{
+        struct sock *sk = sock->sk;
+        BUG_ON(sk->sk_lock.owner != NULL);
+        switch (sk->sk_family) {
+        case AF_INET:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET-NFSD",
+                    &svc_slock_key[0], "sk_lock-AF_INET-NFSD", &svc_key[0]);
+                break;
+
+        case AF_INET6:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET6-NFSD",
+                    &svc_slock_key[1], "sk_lock-AF_INET6-NFSD", &svc_key[1]);
+                break;
+
+        default:
+                BUG();
+        }
+}
+#else
+static inline void svc_reclassify_socket(struct socket *sock)
+{
+}
+#endif
+
 /*
  * Queue up an idle server thread.  Must have pool->sp_lock held.
  * Note: this is really a stack rather than a queue, so that we only
@@ -1556,6 +1586,8 @@ svc_create_socket(struct svc_serv *serv, int protocol, struct sockaddr_in *sin)
         if ((error = sock_create_kern(PF_INET, type, protocol, &sock)) < 0)
                 return error;
 
+        svc_reclassify_socket(sock);
+
         if (type == SOCK_STREAM)
                 sock->sk->sk_reuse = 1; /* allow address reuse */
         error = kernel_bind(sock, (struct sockaddr *) sin,
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index cfe3c15be948..2fc4a3123261 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1058,6 +1058,35 @@ static int xs_bindresvport(struct rpc_xprt *xprt, struct socket *sock)
         return err;
 }
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static struct lock_class_key xs_key[2];
+static struct lock_class_key xs_slock_key[2];
+
+static inline void xs_reclassify_socket(struct socket *sock)
+{
+        struct sock *sk = sock->sk;
+        BUG_ON(sk->sk_lock.owner != NULL);
+        switch (sk->sk_family) {
+        case AF_INET:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET-NFS",
+                        &xs_slock_key[0], "sk_lock-AF_INET-NFS", &xs_key[0]);
+                break;
+
+        case AF_INET6:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET6-NFS",
+                        &xs_slock_key[1], "sk_lock-AF_INET6-NFS", &xs_key[1]);
+                break;
+
+        default:
+                BUG();
+        }
+}
+#else
+static inline void xs_reclassify_socket(struct socket *sock)
+{
+}
+#endif
+
 /**
  * xs_udp_connect_worker - set up a UDP socket
  * @work: RPC transport to connect
@@ -1081,6 +1110,7 @@ static void xs_udp_connect_worker(struct work_struct *work)
                 dprintk("RPC:      can't create UDP transport socket (%d).\n", -err);
                 goto out;
         }
+        xs_reclassify_socket(sock);
 
         if (xprt->resvport && xs_bindresvport(xprt, sock) < 0) {
                 sock_release(sock);
@@ -1165,6 +1195,7 @@ static void xs_tcp_connect_worker(struct work_struct *work)
                         dprintk("RPC:      can't create TCP transport socket (%d).\n", -err);
                         goto out;
                 }
+                xs_reclassify_socket(sock);
 
                 if (xprt->resvport && xs_bindresvport(xprt, sock) < 0) {
                         sock_release(sock);
diff --git a/net/tipc/handler.c b/net/tipc/handler.c
index ae6ddf00a1aa..eb80778d6d9c 100644
--- a/net/tipc/handler.c
+++ b/net/tipc/handler.c
@@ -42,7 +42,7 @@ struct queue_item {
         unsigned long data;
 };
 
-static kmem_cache_t *tipc_queue_item_cache;
+static struct kmem_cache *tipc_queue_item_cache;
 static struct list_head signal_queue_head;
 static DEFINE_SPINLOCK(qitem_lock);
 static int handler_enabled = 0;
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index e8198a2c785d..414f89070380 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -12,7 +12,7 @@
 #include <net/ip.h>
 #include <net/xfrm.h>
 
-static kmem_cache_t *secpath_cachep __read_mostly;
+static struct kmem_cache *secpath_cachep __read_mostly;
 
 void __secpath_destroy(struct sec_path *sp)
 {
@@ -27,7 +27,7 @@ struct sec_path *secpath_dup(struct sec_path *src)
 {
         struct sec_path *sp;
 
-        sp = kmem_cache_alloc(secpath_cachep, SLAB_ATOMIC);
+        sp = kmem_cache_alloc(secpath_cachep, GFP_ATOMIC);
         if (!sp)
                 return NULL;
 
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 140bb9b384ac..bebd40e5a62e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -40,7 +40,7 @@ EXPORT_SYMBOL(xfrm_policy_count);
 static DEFINE_RWLOCK(xfrm_policy_afinfo_lock);
 static struct xfrm_policy_afinfo *xfrm_policy_afinfo[NPROTO];
 
-static kmem_cache_t *xfrm_dst_cache __read_mostly;
+static struct kmem_cache *xfrm_dst_cache __read_mostly;
 
 static struct work_struct xfrm_policy_gc_work;
 static HLIST_HEAD(xfrm_policy_gc_list);