diff options
author | Eric Dumazet <edumazet@google.com> | 2022-01-24 20:31:15 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2022-01-25 14:11:52 +0300 |
commit | ca73b68aca4a242d71a86818789640ca3b53744a (patch) | |
tree | 2725cc73361514784d3c3214aa53400b65d72b47 /net/ipv4 | |
parent | c1f55c5e0482e095b1d0d6721e4e56fcb44fe001 (diff) | |
download | linux-ca73b68aca4a242d71a86818789640ca3b53744a.tar.xz |
ipv4: get rid of fib_info_hash_{alloc|free}
Use kvzalloc()/kvfree() instead of hand coded functions.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/fib_semantics.c | 44 |
1 files changed, 11 insertions, 33 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index b4589861b84c..4c5399450682 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1257,34 +1257,13 @@ fib_info_laddrhash_bucket(const struct net *net, __be32 val) return &fib_info_laddrhash[slot]; } -static struct hlist_head *fib_info_hash_alloc(int bytes) -{ - if (bytes <= PAGE_SIZE) - return kzalloc(bytes, GFP_KERNEL); - else - return (struct hlist_head *) - __get_free_pages(GFP_KERNEL | __GFP_ZERO, - get_order(bytes)); -} - -static void fib_info_hash_free(struct hlist_head *hash, int bytes) -{ - if (!hash) - return; - - if (bytes <= PAGE_SIZE) - kfree(hash); - else - free_pages((unsigned long) hash, get_order(bytes)); -} - static void fib_info_hash_move(struct hlist_head *new_info_hash, struct hlist_head *new_laddrhash, unsigned int new_size) { struct hlist_head *old_info_hash, *old_laddrhash; unsigned int old_size = fib_info_hash_size; - unsigned int i, bytes; + unsigned int i; spin_lock_bh(&fib_info_lock); old_info_hash = fib_info_hash; @@ -1325,9 +1304,8 @@ static void fib_info_hash_move(struct hlist_head *new_info_hash, spin_unlock_bh(&fib_info_lock); - bytes = old_size * sizeof(struct hlist_head *); - fib_info_hash_free(old_info_hash, bytes); - fib_info_hash_free(old_laddrhash, bytes); + kvfree(old_info_hash); + kvfree(old_laddrhash); } __be32 fib_info_update_nhc_saddr(struct net *net, struct fib_nh_common *nhc, @@ -1444,19 +1422,19 @@ struct fib_info *fib_create_info(struct fib_config *cfg, unsigned int new_size = fib_info_hash_size << 1; struct hlist_head *new_info_hash; struct hlist_head *new_laddrhash; - unsigned int bytes; + size_t bytes; if (!new_size) new_size = 16; - bytes = new_size * sizeof(struct hlist_head *); - new_info_hash = fib_info_hash_alloc(bytes); - new_laddrhash = fib_info_hash_alloc(bytes); + bytes = (size_t)new_size * sizeof(struct hlist_head *); + new_info_hash = kvzalloc(bytes, GFP_KERNEL); + new_laddrhash = kvzalloc(bytes, GFP_KERNEL); if (!new_info_hash || !new_laddrhash) { - fib_info_hash_free(new_info_hash, bytes); - fib_info_hash_free(new_laddrhash, bytes); - } else + kvfree(new_info_hash); + kvfree(new_laddrhash); + } else { fib_info_hash_move(new_info_hash, new_laddrhash, new_size); - + } if (!fib_info_hash_size) goto failure; } |