4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vasily Gorbik <gor@xxxxxxxxxxxxx> [ Upstream commit b17e3abb0af404cb62ad4ef1a5962f58b06e2b78 ] The numa_node field of the tag_set struct has to be explicitly initialized, otherwise it stays as 0, which is a valid numa node id and cause memory allocation failure if node 0 is offline. Acked-by: Stefan Haberland <sth@xxxxxxxxxxxxx> Signed-off-by: Vasily Gorbik <gor@xxxxxxxxxxxxx> Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/s390/block/dasd.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3190,6 +3190,7 @@ static int dasd_alloc_queue(struct dasd_ block->tag_set.nr_hw_queues = DASD_NR_HW_QUEUES; block->tag_set.queue_depth = DASD_MAX_LCU_DEV * DASD_REQ_PER_DEV; block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; + block->tag_set.numa_node = NUMA_NO_NODE; rc = blk_mq_alloc_tag_set(&block->tag_set); if (rc)
