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-rw-r--r--erts/emulator/beam/erl_db_hash.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index 96008ccef0..08117bb6e5 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -623,12 +623,16 @@ int db_create_hash(Process *p, DbTable *tbl)
erts_smp_atomic_init(&tb->is_resizing, 0);
#ifdef ERTS_SMP
if (tb->common.type & DB_FINE_LOCKED) {
+ erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER;
int i;
+ if (tb->common.type & DB_FREQ_READ)
+ rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
tb->locks = (DbTableHashFineLocks*) erts_db_alloc_fnf(ERTS_ALC_T_DB_SEG, /* Other type maybe? */
(DbTable *) tb,
sizeof(DbTableHashFineLocks));
for (i=0; i<DB_HASH_LOCK_CNT; ++i) {
- erts_rwmtx_init_x(&tb->locks->lck_vec[i].lck, "db_hash_slot", make_small(i));
+ erts_smp_rwmtx_init_opt_x(&tb->locks->lck_vec[i].lck, &rwmtx_opt,
+ "db_hash_slot", make_small(i));
}
/* This important property is needed to guarantee that the buckets
* involved in a grow/shrink operation it protected by the same lock: