arm: 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 <[email protected]>

---
  arch/arm/mm/dump.c           | 4 ++--
  arch/arm/mm/ptdump_debugfs.c | 2 +-
  2 files changed, 3 insertions(+), 3 deletions(-)

arch/arm/mm/dump.c +2 -2

index 93ff0097f00b..fb688003d156 100644
@@ -420,7 +420,7 @@ void ptdump_walk_pgd(struct seq_file *m, struct ptdump_info *info)
  	note_page(&st, 0, 0, 0, NULL);
  }
 
-static void ptdump_initialize(void)
+static void __init ptdump_initialize(void)
  {
  	unsigned i, j;
 

@@ -466,7 +466,7 @@ void ptdump_check_wx(void)
  		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 +1 -1

index 598b636615a2..8df9afac8d81 100644
@@ -24,7 +24,7 @@ static const struct file_operations ptdump_fops = {
  	.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);
  }