#ifdef __KERNEL__
-/* Set to 1 to use kernel-wide empty_zero_page */
-#define RAID6_USE_EMPTY_ZERO_PAGE 0
#include <linux/blkdev.h>
-/* We need a pre-zeroed page... if we don't want to use the kernel-provided
- one define it here */
-#if RAID6_USE_EMPTY_ZERO_PAGE
-# define raid6_empty_zero_page empty_zero_page
-#else
extern const char raid6_empty_zero_page[PAGE_SIZE];
-#endif
#else /* ! __KERNEL__ */
/* Used for testing in user space */