From e3b668e84a769634baa64d255ca354890ed951f7 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Wed, 10 Aug 2011 15:48:58 -0700 Subject: [PATCH] Don't malloc the free_pgs list every time --- libraries/libmdb/mdb.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c index 10dd09a4c5..7cb64417a4 100644 --- a/libraries/libmdb/mdb.c +++ b/libraries/libmdb/mdb.c @@ -316,6 +316,7 @@ struct MDB_env { MDB_db *me_dbs[2]; MDB_oldpages *me_pghead; pthread_key_t me_txkey; /* thread-key for readers */ + pgno_t me_free_pgs[MDB_IDL_UM_SIZE]; }; #define NODESIZE offsetof(MDB_node, mn_data) @@ -610,12 +611,7 @@ mdb_txn_begin(MDB_env *env, int rdonly, MDB_txn **ret) pthread_mutex_lock(&env->me_txns->mt_wmutex); env->me_txns->mt_txnid++; - txn->mt_free_pgs = malloc(MDB_IDL_UM_SIZEOF); - if (txn->mt_free_pgs == NULL) { - free(txn->mt_u.dirty_queue); - free(txn); - return ENOMEM; - } + txn->mt_free_pgs = env->me_free_pgs; txn->mt_free_pgs[0] = 0; } @@ -703,7 +699,6 @@ mdb_txn_abort(MDB_txn *txn) STAILQ_REMOVE_HEAD(txn->mt_u.dirty_queue, h.md_next); free(dp); } - free(txn->mt_free_pgs); free(txn->mt_u.dirty_queue); while ((mop = txn->mt_env->me_pghead)) { @@ -917,7 +912,6 @@ mdb_txn_commit(MDB_txn *txn) } pthread_mutex_unlock(&env->me_txns->mt_wmutex); - free(txn->mt_free_pgs); free(txn->mt_u.dirty_queue); free(txn); txn = NULL; -- 2.39.5