1.type of cpu_possible_bits is changed,refer to commit c4c54dd1caf1
 ("kernel/cpu.c: change type of cpu_possible_bits and friends").
2.set_cpu_possible() before setup_arch().

Signed-off-by: jingyuwang <jingyuwang_vip@163.com>
---
 kernel/printk/printk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index ea3dd55709e7..25670186d12e 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1144,8 +1144,8 @@ static void __init log_buf_add_cpu(void)
 	unsigned int cpu_extra;
 
 	/*
-	 * archs should set up cpu_possible_bits properly with
-	 * set_cpu_possible() after setup_arch() but just in
+	 * archs should set up __cpu_possible_mask properly with
+	 * set_cpu_possible() before setup_arch() but just in
 	 * case lets ensure this is valid.
 	 */
 	if (num_possible_cpus() == 1)
-- 
2.34.1