mm/page_poison.c: make early_page_poison_param() __init
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.
Link: http://lkml.kernel.org/r/20180117034757.27024-1-douly.fnst@cn.fujitsu.com
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/page_poison.c b/mm/page_poison.c
index e83fd44..aa2b3d3 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;
