[PATCH 6/8] arm64: mte: make mte_save_tags() and mte_restore_tags() static

[Tal Zussman]

mte_save_tags() and mte_restore_tags() are only used by
arch_prepare_to_swap() and arch_swap_restore() in mteswap.c. Make them
static and remove their declarations from mte.h.

No functional change.

Signed-off-by: Tal Zussman <tz2294 at columbia.edu>
---
 arch/arm64/include/asm/mte.h | 2 --
 arch/arm64/mm/mteswap.c      | 4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h
index 7f7b97e09996..83f3b05fc784 100644
--- a/arch/arm64/include/asm/mte.h
+++ b/arch/arm64/include/asm/mte.h
@@ -23,9 +23,7 @@ unsigned long mte_copy_tags_from_user(void *to, const void __user *from,
 				      unsigned long n);
 unsigned long mte_copy_tags_to_user(void __user *to, void *from,
 				    unsigned long n);
-int mte_save_tags(struct page *page);
 void mte_save_page_tags(const void *page_addr, void *tag_storage);
-void mte_restore_tags(swp_entry_t entry, struct page *page);
 void mte_restore_page_tags(void *page_addr, const void *tag_storage);
 void mte_invalidate_tags(int type, pgoff_t offset);
 void mte_invalidate_tags_area(int type);
diff --git a/arch/arm64/mm/mteswap.c b/arch/arm64/mm/mteswap.c
index 63e8d72f202a..3c54afc8b758 100644
--- a/arch/arm64/mm/mteswap.c
+++ b/arch/arm64/mm/mteswap.c
@@ -20,7 +20,7 @@ void mte_free_tag_storage(char *storage)
 	kfree(storage);
 }
 
-int mte_save_tags(struct page *page)
+static int mte_save_tags(struct page *page)
 {
 	void *tag_storage, *ret;
 
@@ -47,7 +47,7 @@ int mte_save_tags(struct page *page)
 	return 0;
 }
 
-void mte_restore_tags(swp_entry_t entry, struct page *page)
+static void mte_restore_tags(swp_entry_t entry, struct page *page)
 {
 	void *tags = xa_load(&mte_pages, entry.val);
 

-- 
2.39.5