ARM: 9073/1: ptdump: add __init section marker to three functions

They are not needed after booting, so mark them as __init to move them
to the .init section.

Signed-off-by: Jisheng Zhang <[e-mail]>
Reviewed-by: Steven Price <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

arch/arm/mm/dump.c

···
 	note_page(&st, 0, 0, 0, NULL);
 }
 
-static void ptdump_initialize(void)
+static void __init ptdump_initialize(void)
 {
 	unsigned i, j;
 
···
 		pr_info("Checked W+X mappings: passed, no W+X pages found\n");
 }
 
-static int ptdump_init(void)
+static int __init ptdump_init(void)
 {
 	ptdump_initialize();
 	ptdump_debugfs_register(&kernel_ptdump_info, "kernel_page_tables");

arch/arm/mm/ptdump_debugfs.c

···
 	.release	= single_release,
 };
 
-void ptdump_debugfs_register(struct ptdump_info *info, const char *name)
+void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name)
 {
 	debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
 }