[PATCH] slab: remove SLAB_ATOMIC

[deliverable/linux.git] / net / ipv6 / ip6_fib.c

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 8fcae7a6510b9fdeb793bfc395de458daee4ddc2..97a8cfbb61a1f68986c24b8cf56b5978652bd117 100644 (file)
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -139,9 +139,9 @@ static __inline__ u32 fib6_new_sernum(void)
  *     test bit
  */
 
-static __inline__ int addr_bit_set(void *token, int fn_bit)
+static __inline__ __be32 addr_bit_set(void *token, int fn_bit)
 {
-       __u32 *addr = token;
+       __be32 *addr = token;
 
        return htonl(1 << ((~fn_bit)&0x1F)) & addr[fn_bit>>5];
 }
@@ -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;
@@ -169,7 +169,6 @@ static __inline__ void rt6_release(struct rt6_info *rt)
 
 static struct fib6_table fib6_main_tbl = {
        .tb6_id         = RT6_TABLE_MAIN,
-       .tb6_lock       = RW_LOCK_UNLOCKED,
        .tb6_root       = {
                .leaf           = &ip6_null_entry,
                .fn_flags       = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO,
@@ -187,6 +186,12 @@ static void fib6_link_table(struct fib6_table *tb)
 {
        unsigned int h;
 
+       /*
+        * Initialize table lock at a single place to give lockdep a key,
+        * tables aren't visible prior to being linked to the list.
+        */
+       rwlock_init(&tb->tb6_lock);
+
        h = tb->tb6_id & (FIB_TABLE_HASHSZ - 1);
 
        /*
@@ -199,7 +204,6 @@ static void fib6_link_table(struct fib6_table *tb)
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
 static struct fib6_table fib6_local_tbl = {
        .tb6_id         = RT6_TABLE_LOCAL,
-       .tb6_lock       = RW_LOCK_UNLOCKED,
        .tb6_root       = {
                .leaf           = &ip6_null_entry,
                .fn_flags       = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO,
@@ -213,7 +217,6 @@ static struct fib6_table *fib6_alloc_table(u32 id)
        table = kzalloc(sizeof(*table), GFP_ATOMIC);
        if (table != NULL) {
                table->tb6_id = id;
-               table->tb6_lock = RW_LOCK_UNLOCKED;
                table->tb6_root.leaf = &ip6_null_entry;
                table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
        }
@@ -431,7 +434,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
        struct fib6_node *pn = NULL;
        struct rt6key *key;
        int     bit;
-               int     dir = 0;
+               __be32  dir = 0;
        __u32   sernum = fib6_new_sernum();
 
        RT6_TRACE("fib6_add_1\n");
@@ -826,7 +829,7 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
                                        struct lookup_args *args)
 {
        struct fib6_node *fn;
-       int dir;
+       __be32 dir;
 
        if (unlikely(args->offset == 0))
                return NULL;