Re: [PATCH v2] arm64: Add __init section marker to some functions

2021-04-08 Thread Catalin Marinas
On Tue, 30 Mar 2021 13:54:49 +0800, Jisheng Zhang wrote:
> They are not needed after booting, so mark them as __init to move them
> to the .init section.

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64: Add __init section marker to some functions
  https://git.kernel.org/arm64/c/a7dcf58ae5d2

-- 
Catalin



Re: [PATCH v2] arm64: Add __init section marker to some functions

2021-04-07 Thread Steven Price

On 30/03/2021 06:54, 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 


Reviewed-by: Steven Price 


---
Since v1:
  - add __init section mark to __vdso_init() and __aarch32_alloc_vdso_pages()

  arch/arm64/include/asm/ptdump.h | 2 +-
  arch/arm64/kernel/vdso.c| 4 ++--
  arch/arm64/mm/ptdump.c  | 4 ++--
  arch/arm64/mm/ptdump_debugfs.c  | 2 +-
  4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/include/asm/ptdump.h b/arch/arm64/include/asm/ptdump.h
index 38187f74e089..b1dd7ecff7ef 100644
--- a/arch/arm64/include/asm/ptdump.h
+++ b/arch/arm64/include/asm/ptdump.h
@@ -23,7 +23,7 @@ struct ptdump_info {
  
  void ptdump_walk(struct seq_file *s, struct ptdump_info *info);

  #ifdef CONFIG_PTDUMP_DEBUGFS
-void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
+void __init ptdump_debugfs_register(struct ptdump_info *info, const char 
*name);
  #else
  static inline void ptdump_debugfs_register(struct ptdump_info *info,
   const char *name) { }
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index cee5d04ea9ad..d1fa288518a7 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -86,7 +86,7 @@ static int vdso_mremap(const struct vm_special_mapping *sm,
return 0;
  }
  
-static int __vdso_init(enum vdso_abi abi)

+static int __init __vdso_init(enum vdso_abi abi)
  {
int i;
struct page **vdso_pagelist;
@@ -326,7 +326,7 @@ static int aarch32_alloc_sigpage(void)
return 0;
  }
  
-static int __aarch32_alloc_vdso_pages(void)

+static int __init __aarch32_alloc_vdso_pages(void)
  {
  
  	if (!IS_ENABLED(CONFIG_COMPAT_VDSO))

diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 0e050d76b83a..a50e92ea1878 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -337,7 +337,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_info 
*info)
ptdump_walk_pgd(, info->mm, NULL);
  }
  
-static void ptdump_initialize(void)

+static void __init ptdump_initialize(void)
  {
unsigned i, j;
  
@@ -381,7 +381,7 @@ 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)
  {
address_markers[PAGE_END_NR].start_address = PAGE_END;
  #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c
index d29d722ec3ec..68bf1a125502 100644
--- a/arch/arm64/mm/ptdump_debugfs.c
+++ b/arch/arm64/mm/ptdump_debugfs.c
@@ -16,7 +16,7 @@ static int ptdump_show(struct seq_file *m, void *v)
  }
  DEFINE_SHOW_ATTRIBUTE(ptdump);
  
-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, _fops);
  }





[PATCH v2] arm64: Add __init section marker to some functions

2021-03-29 Thread Jisheng Zhang
They are not needed after booting, so mark them as __init to move them
to the .init section.

Signed-off-by: Jisheng Zhang 
---
Since v1:
 - add __init section mark to __vdso_init() and __aarch32_alloc_vdso_pages()

 arch/arm64/include/asm/ptdump.h | 2 +-
 arch/arm64/kernel/vdso.c| 4 ++--
 arch/arm64/mm/ptdump.c  | 4 ++--
 arch/arm64/mm/ptdump_debugfs.c  | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/include/asm/ptdump.h b/arch/arm64/include/asm/ptdump.h
index 38187f74e089..b1dd7ecff7ef 100644
--- a/arch/arm64/include/asm/ptdump.h
+++ b/arch/arm64/include/asm/ptdump.h
@@ -23,7 +23,7 @@ struct ptdump_info {
 
 void ptdump_walk(struct seq_file *s, struct ptdump_info *info);
 #ifdef CONFIG_PTDUMP_DEBUGFS
-void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
+void __init ptdump_debugfs_register(struct ptdump_info *info, const char 
*name);
 #else
 static inline void ptdump_debugfs_register(struct ptdump_info *info,
   const char *name) { }
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index cee5d04ea9ad..d1fa288518a7 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -86,7 +86,7 @@ static int vdso_mremap(const struct vm_special_mapping *sm,
return 0;
 }
 
-static int __vdso_init(enum vdso_abi abi)
+static int __init __vdso_init(enum vdso_abi abi)
 {
int i;
struct page **vdso_pagelist;
@@ -326,7 +326,7 @@ static int aarch32_alloc_sigpage(void)
return 0;
 }
 
-static int __aarch32_alloc_vdso_pages(void)
+static int __init __aarch32_alloc_vdso_pages(void)
 {
 
if (!IS_ENABLED(CONFIG_COMPAT_VDSO))
diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 0e050d76b83a..a50e92ea1878 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -337,7 +337,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_info 
*info)
ptdump_walk_pgd(, info->mm, NULL);
 }
 
-static void ptdump_initialize(void)
+static void __init ptdump_initialize(void)
 {
unsigned i, j;
 
@@ -381,7 +381,7 @@ 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)
 {
address_markers[PAGE_END_NR].start_address = PAGE_END;
 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c
index d29d722ec3ec..68bf1a125502 100644
--- a/arch/arm64/mm/ptdump_debugfs.c
+++ b/arch/arm64/mm/ptdump_debugfs.c
@@ -16,7 +16,7 @@ static int ptdump_show(struct seq_file *m, void *v)
 }
 DEFINE_SHOW_ATTRIBUTE(ptdump);
 
-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, _fops);
 }
-- 
2.31.0