diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:23:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:23:51 +1000 |
| commit | a8a50fce60e86f82e442bf84b8af20750b3d6105 (patch) | |
| tree | 974c04f9f4f10275a8a9435113ea5b307d172bb6 /lib/rhashtable.c | |
| parent | 9b5edbf7a462b7c846e9d4675b9b72b7a4e84de9 (diff) | |
| parent | c65b99f046843d2455aa231747b5a07a999a9f3d (diff) | |
Merge tag 'v4.1-rc6' into drm-next
Linux 4.1-rc6
backmerge 4.1-rc6 as some of the later pull reqs are based on newer bases
and I'd prefer to do the fixup myself.
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 |