1 files changed, 0 insertions, 21 deletions
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index a203747ad2c0..9b2b5f56f4ae 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -231,27 +231,6 @@ static bool kfence_unprotect(unsigned long addr)
 	return !KFENCE_WARN_ON(!kfence_protect_page(ALIGN_DOWN(addr, PAGE_SIZE), false));
 }
 
-static inline struct kfence_metadata *addr_to_metadata(unsigned long addr)
-{
-	long index;
-
-	/* The checks do not affect performance; only called from slow-paths. */
-
-	if (!is_kfence_address((void *)addr))
-		return NULL;
-
-	/*
-	 * May be an invalid index if called with an address at the edge of
-	 * __kfence_pool, in which case we would report an "invalid access"
-	 * error.
-	 */
-	index = (addr - (unsigned long)__kfence_pool) / (PAGE_SIZE * 2) - 1;
-	if (index < 0 || index >= CONFIG_KFENCE_NUM_OBJECTS)
-		return NULL;
-
-	return &kfence_metadata[index];
-}
-
 static inline unsigned long metadata_to_pageaddr(const struct kfence_metadata *meta)
 {
 	unsigned long offset = (meta - kfence_metadata + 1) * PAGE_SIZE * 2;