PM: hibernate: Add __init annotation to swsusp_header_init()

tititiou36 · rafaeljw · commit afd8d7c7f936 · 2020-06-05T13:52:38.000+02:00
'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 &lt;christophe.jaillet@wanadoo.fr&gt;
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
diff --git 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)

Original file line number	Diff line number	Diff line change
`@@ -1590,7 +1590,7 @@ int swsusp_unmark(void)`
`1590`	`1590`	`}`
`1591`	`1591`	`#endif`
`1592`	`1592`
`1593`		`-static int swsusp_header_init(void)`
	`1593`	`+static int __init swsusp_header_init(void)`
`1594`	`1594`	`{`
`1595`	`1595`	`swsusp_header = (struct swsusp_header*) __get_free_page(GFP_KERNEL);`
`1596`	`1596`	`if (!swsusp_header)`