call mtr.add_suppression("innodb_buffer_pool_size change aborted");
CREATE TABLE t (c INT) ENGINE=InnoDB PARTITION BY HASH(c) PARTITIONS 512;
BEGIN;
SELECT * FROM t LOCK IN SHARE MODE;
c
SET @save_size = @@GLOBAL.innodb_buffer_pool_size;
SET GLOBAL innodb_buffer_pool_size=6291456;
COMMIT;
SET GLOBAL innodb_buffer_pool_size=6291456;
SET GLOBAL innodb_buffer_pool_size = @save_size;
DROP TABLE t;