The early_param() is only called during kernel initialization, So Linux marks the function of it with __init macro to save memory.
But it forgot to mark the early_page_poison_param(). So, Make it __init as well. Cc: Andrew Morton <a...@linux-foundation.org> Cc: Philippe Ombredanne <pombreda...@nexb.com> Cc: Kate Stewart <kstew...@linuxfoundation.org> Cc: Michal Hocko <mho...@suse.com> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: linux...@kvack.org Signed-off-by: Dou Liyang <douly.f...@cn.fujitsu.com> --- mm/page_poison.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_poison.c b/mm/page_poison.c index e83fd44867de..aa2b3d34e8ea 100644 --- a/mm/page_poison.c +++ b/mm/page_poison.c @@ -9,7 +9,7 @@ static bool want_page_poisoning __read_mostly; -static int early_page_poison_param(char *buf) +static int __init early_page_poison_param(char *buf) { if (!buf) return -EINVAL; -- 2.14.3