[IA64] wrong attribute of HUB chip written in uv_setup()

n_val should be assigned to n_val attribute of HUB chip.
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NTony Luck <tony.luck@intel.com>

arch/ia64/uv/kernel/setup.c

@@ -104,7 +104,7 @@ void __init uv_setup(char **cmdline_p)
 		uv_cpu_hub_info(cpu)->lowmem_remap_top =
 			lowmem_redir_base + lowmem_redir_size;
 		uv_cpu_hub_info(cpu)->m_val = m_val;
-		uv_cpu_hub_info(cpu)->n_val = m_val;
+		uv_cpu_hub_info(cpu)->n_val = n_val;
 		uv_cpu_hub_info(cpu)->pnode_mask = (1 << n_val) -1;
 		uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
 		uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;