As provided with commit 
cd4386a931b63 ("s390/cpcmd,vmcp: avoid GFP_DMA
allocations") the Diagnose Code 8 response buffer does not have to be
below 2GB.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
 {
        char *query_buffer, *str;
 
-       query_buffer = kmalloc(1024, GFP_KERNEL | GFP_DMA);
+       query_buffer = kmalloc(1024, GFP_KERNEL);
        if (!query_buffer)
                return;
        cpcmd("QUERY CPLEVEL", query_buffer, 1024, NULL);