init: set nr_cpu_ids before setup_per_cpu_areas()

nr_cpu_ids is dependent only on cpu_possible_map and
setup_per_cpu_areas() already depends on cpu_possible_map and will use
nr_cpu_ids.  Initialize nr_cpu_ids before setting up percpu areas.

Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/init/main.c b/init/main.c
index 2c5ade7..2d9d6bd 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -584,8 +584,8 @@ asmlinkage void __init start_kernel(void)
        setup_arch(&command_line);
        mm_init_owner(&init_mm, &init_task);
        setup_command_line(command_line);
-       setup_per_cpu_areas();
        setup_nr_cpu_ids();
+       setup_per_cpu_areas();
        smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */
 
        build_all_zonelists();