diff options
| -rw-r--r-- | net/ipv4/fib_semantics.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 6cc518dd665f..9dc09e80b92b 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -51,7 +51,6 @@ #include "fib_lookup.h" static struct hlist_head *fib_info_hash; -static unsigned int fib_info_hash_size; static unsigned int fib_info_hash_bits; static unsigned int fib_info_cnt; @@ -1255,17 +1254,15 @@ int fib_check_nh(struct net *net, struct fib_nh *nh, u32 table, u8 scope, return err; } -static void fib_info_hash_move(struct hlist_head *new_info_hash, - unsigned int new_size) +static void fib_info_hash_move(struct hlist_head *new_info_hash) { - unsigned int old_size = fib_info_hash_size; + unsigned int old_size = 1 << fib_info_hash_bits; struct hlist_head *old_info_hash; unsigned int i; ASSERT_RTNL(); old_info_hash = fib_info_hash; - fib_info_hash_size = new_size; - fib_info_hash_bits = ilog2(new_size); + fib_info_hash_bits += 1; fib_info_hash = new_info_hash; for (i = 0; i < old_size; i++) { @@ -1406,13 +1403,12 @@ struct fib_info *fib_create_info(struct fib_config *cfg, } #endif - if (fib_info_cnt >= fib_info_hash_size) { - unsigned int new_hash_bits = fib_info_hash_bits + 1; + if (fib_info_cnt >= (1 << fib_info_hash_bits)) { struct hlist_head *new_info_hash; - new_info_hash = fib_info_hash_alloc(new_hash_bits); + new_info_hash = fib_info_hash_alloc(fib_info_hash_bits + 1); if (new_info_hash) - fib_info_hash_move(new_info_hash, 1 << new_hash_bits); + fib_info_hash_move(new_info_hash); } fi = kzalloc(struct_size(fi, fib_nh, nhs), GFP_KERNEL); @@ -2256,7 +2252,6 @@ int __net_init fib4_semantics_init(struct net *net) return -ENOMEM; fib_info_hash_bits = hash_bits; - fib_info_hash_size = 1 << hash_bits; return 0; } |