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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-08 10:19:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-08 10:19:40 -0700 |
| commit | 987aec39a74373c55c3bedd5c3c83896d78fd0a2 (patch) | |
| tree | 66aba6d4f166f269be95fe4d267d57efe533aefd /lib/rhashtable.c | |
| parent | 303cda0ea7c1c33701812ccb80d37083a4093c7c (diff) | |
| parent | d4a4f75cd8f29cd9464a5a32e9224a91571d6649 (diff) | |
| download | lwn-987aec39a74373c55c3bedd5c3c83896d78fd0a2.tar.gz lwn-987aec39a74373c55c3bedd5c3c83896d78fd0a2.zip | |
Merge 4.1-rc7 into driver-core-next
We want the fixes in this branch as well for testing and merge
resolution.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 |