Need include "asm/uaccess.h" to pass compiling. The related error (with allmodconfig): arch/c6x/mm/init.c: In function ‘paging_init’: arch/c6x/mm/init.c:46:2: error: implicit declaration of function ‘set_fs’ [-Werror=implicit-function-declaration] arch/c6x/mm/init.c:46:9: error: ‘KERNEL_DS’ undeclared (first use in this function) arch/c6x/mm/init.c:46:9: note: each undeclared identifier is reported only once for each function it appears in Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx> --- arch/c6x/mm/init.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c index e524fde..63f5560 100644 --- a/arch/c6x/mm/init.c +++ b/arch/c6x/mm/init.c @@ -18,6 +18,7 @@ #include <linux/initrd.h> #include <asm/sections.h> +#include <asm/uaccess.h> /* * ZERO_PAGE is a special page that is used for zero-initialized -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html