arm64: export __cpu_{clear,copy}_user_page functions

The __cpu_clear_user_page() and __cpu_copy_user_page() functions
are not currently exported. This prevents modules from using
clear_user_page() and copy_user_page().

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit bec7cedc8a92bfe96d32febe72634b30c63896bd)
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c
index 9aecbace4128a9325f9cefdea701403394a5e345..13bbc3be6f5ab31a24d6d0a03b8f368ea6923ed8 100644 (file)
--- a/arch/arm64/mm/copypage.c
+++ b/arch/arm64/mm/copypage.c
@@ -27,8 +27,10 @@ void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
        copy_page(kto, kfrom);
        __flush_dcache_area(kto, PAGE_SIZE);
 }
+EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
 
 void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
 {
        clear_page(kaddr);
 }
+EXPORT_SYMBOL_GPL(__cpu_clear_user_page);