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    Subject[PATCH 4.18 058/228] s390/dasd: correct numa_node in dasd_alloc_queue
    Date
    4.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Vasily Gorbik <gor@linux.ibm.com>

    [ 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@linux.ibm.com>
    Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
    Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/s390/block/dasd.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/s390/block/dasd.c
    +++ b/drivers/s390/block/dasd.c
    @@ -3127,6 +3127,7 @@ static int dasd_alloc_queue(struct dasd_
    block->tag_set.nr_hw_queues = nr_hw_queues;
    block->tag_set.queue_depth = queue_depth;
    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)

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