Re: [PATCH] arm: ptdump: add __init section marker to three functions

[Steven Price]

On 30/03/2021 04:19, Jisheng Zhang wrote:

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

Signed-off-by: Jisheng Zhang <jisheng.zh...@synaptics.com>

Reviewed-by: Steven Price <steven.pr...@arm.com>

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

diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index 93ff0097f00b..fb688003d156 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -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");
diff --git a/arch/arm/mm/ptdump_debugfs.c b/arch/arm/mm/ptdump_debugfs.c
index 598b636615a2..8df9afac8d81 100644
--- a/arch/arm/mm/ptdump_debugfs.c
+++ b/arch/arm/mm/ptdump_debugfs.c
@@ -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);
  }