This is defined in glibc's sys/cdefs.h on my system with the same definition as the raid6test fallback definition. Add a #ifndef check to avoid a compiler warning about redefining it. Signed-off-by: Daniel Verkamp <dverkamp@xxxxxxxxxxxx> --- include/linux/raid/pq.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index 0c245dcb8b48..d7c99161bba2 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -53,7 +53,9 @@ extern const char raid6_empty_zero_page[PAGE_SIZE]; #define __init #define __exit -#define __attribute_const__ __attribute__((const)) +#ifndef __attribute_const__ +# define __attribute_const__ __attribute__((const)) +#endif #define noinline __attribute__((noinline)) #define preempt_enable() -- 2.19.1.930.g4563a0d9d0-goog
