diff options
| author | Mark Brown <broonie@kernel.org> | 2018-07-25 17:35:56 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-07-25 17:35:56 +0100 |
| commit | 67b16c801606b467d11ca33838f305a6b4180f3b (patch) | |
| tree | 4e8f4e1b58d8c2066b5910e01f2a392741e772cd /lib/rhashtable.c | |
| parent | a8f8523d853f8705cd3b7e74f0497860d5381991 (diff) | |
| parent | 606b3effb9ce2ab6f67eeecace381c701d411ecf (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-rtlsk-v4.4-18.07-rt
Diffstat (limited to 'lib/rhashtable.c')
| -rw-r--r-- | lib/rhashtable.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 51282f579760..37ea94b636a3 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -670,8 +670,16 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_stop); static size_t rounded_hashtable_size(const struct rhashtable_params *params) { - return max(roundup_pow_of_two(params->nelem_hint * 4 / 3), - (unsigned long)params->min_size); + size_t retsize; + + if (params->nelem_hint) + retsize = max(roundup_pow_of_two(params->nelem_hint * 4 / 3), + (unsigned long)params->min_size); + else + retsize = max(HASH_DEFAULT_SIZE, + (unsigned long)params->min_size); + + return retsize; } static u32 rhashtable_jhash2(const void *key, u32 length, u32 seed) @@ -728,8 +736,6 @@ int rhashtable_init(struct rhashtable *ht, struct bucket_table *tbl; size_t size; - size = HASH_DEFAULT_SIZE; - if ((!params->key_len && !params->obj_hashfn) || (params->obj_hashfn && !params->obj_cmpfn)) return -EINVAL; @@ -756,8 +762,7 @@ int rhashtable_init(struct rhashtable *ht, ht->p.min_size = max(ht->p.min_size, HASH_MIN_SIZE); - if (params->nelem_hint) - size = rounded_hashtable_size(&ht->p); + size = rounded_hashtable_size(&ht->p); /* The maximum (not average) chain length grows with the * size of the hash table, at a rate of (log N)/(log log N). |