diff options
Diffstat (limited to 'net/ipv4/inet_hashtables.c')
| -rw-r--r-- | net/ipv4/inet_hashtables.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 5f9b063bbe8a..0cb9165421d4 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -624,22 +624,21 @@ EXPORT_SYMBOL_GPL(inet_hashinfo_init); int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) { + unsigned int locksz = sizeof(spinlock_t); unsigned int i, nblocks = 1; - if (sizeof(spinlock_t) != 0) { + if (locksz != 0) { /* allocate 2 cache lines or at least one spinlock per cpu */ - nblocks = max_t(unsigned int, - 2 * L1_CACHE_BYTES / sizeof(spinlock_t), - 1); + nblocks = max(2U * L1_CACHE_BYTES / locksz, 1U); nblocks = roundup_pow_of_two(nblocks * num_possible_cpus()); /* no more locks than number of hash buckets */ nblocks = min(nblocks, hashinfo->ehash_mask + 1); - hashinfo->ehash_locks = kmalloc_array(nblocks, sizeof(spinlock_t), + hashinfo->ehash_locks = kmalloc_array(nblocks, locksz, GFP_KERNEL | __GFP_NOWARN); if (!hashinfo->ehash_locks) - hashinfo->ehash_locks = vmalloc(nblocks * sizeof(spinlock_t)); + hashinfo->ehash_locks = vmalloc(nblocks * locksz); if (!hashinfo->ehash_locks) return -ENOMEM; |