[PATCH] kernel: power: swap: mark a function as __init to save some memory

From: Christophe JAILLET
Date: Sun May 31 2020 - 17:01:08 EST


'swsusp_header_init()' is only called via 'core_initcall'.
It can be marked as __init to save a few bytes of memory.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
kernel/power/swap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index ca0fcb5ced71..01e2858b5fe3 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -1590,7 +1590,7 @@ int swsusp_unmark(void)
}
#endif

-static int swsusp_header_init(void)
+static int __init swsusp_header_init(void)
{
swsusp_header = (struct swsusp_header*) __get_free_page(GFP_KERNEL);
if (!swsusp_header)
--
2.25.1