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-rw-r--r--arch/arm64/include/asm/string.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h
index d0aa42907569..dd95d33a5bd5 100644
--- a/arch/arm64/include/asm/string.h
+++ b/arch/arm64/include/asm/string.h
@@ -52,6 +52,10 @@ extern void *__memset(void *, int, __kernel_size_t);
#define __HAVE_ARCH_MEMCMP
extern int memcmp(const void *, const void *, size_t);
+#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
+#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
+void memcpy_flushcache(void *dst, const void *src, size_t cnt);
+#endif
#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)