[PATCH v2 6/8] arm64: mte: make mte_save_tags() and mte_restore_tags() static
From: Tal Zussman <hidden>
Date: 2026-09-08 15:17:18
Also in:
linux-mm, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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 <redacted> --- 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