4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Vasily Gorbik <[email protected]> [ 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 <[email protected]> Signed-off-by: Vasily Gorbik <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- 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)

