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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-05 22:25:01 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-05 22:25:01 +0200 |
| commit | 9f61f62544747db5d5c590bfae9dd19f1337e421 (patch) | |
| tree | 74772cccd14e7ab6d01a3452d4030cd7f8e58ccb /lib/rhashtable.c | |
| parent | de8d1810fda5463ee60ba2937ca68e55a52bd9e7 (diff) | |
| parent | 086e8ddb567951513a5dace21a09297768aee14f (diff) | |
| download | linux-9f61f62544747db5d5c590bfae9dd19f1337e421.tar.bz2 | |
Merge branch 'linus' into irq/core
Get the urgent fixes from upstream to avoid conflicts.
Diffstat (limited to 'lib/rhashtable.c')
| -rw-r--r-- | lib/rhashtable.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index b28df4019ade..4396434e4715 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -14,6 +14,7 @@ * published by the Free Software Foundation. */ +#include <linux/atomic.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/log2.h> @@ -446,6 +447,10 @@ int rhashtable_insert_slow(struct rhashtable *ht, const void *key, if (key && rhashtable_lookup_fast(ht, key, ht->p)) goto exit; + err = -E2BIG; + if (unlikely(rht_grow_above_max(ht, tbl))) + goto exit; + err = -EAGAIN; if (rhashtable_check_elasticity(ht, tbl, hash) || rht_grow_above_100(ht, tbl)) @@ -738,6 +743,12 @@ int rhashtable_init(struct rhashtable *ht, if (params->max_size) ht->p.max_size = rounddown_pow_of_two(params->max_size); + if (params->insecure_max_entries) + ht->p.insecure_max_entries = + rounddown_pow_of_two(params->insecure_max_entries); + else + ht->p.insecure_max_entries = ht->p.max_size * 2; + ht->p.min_size = max(ht->p.min_size, HASH_MIN_SIZE); /* The maximum (not average) chain length grows with the |