On Tue, Oct 18, 2022 at 11:57:55PM +0200, Giulio Benetti wrote:
#if RAID6_USE_EMPTY_ZERO_PAGE
-# define raid6_empty_zero_page empty_zero_page
+# define raid6_empty_zero_page ZERO_PAGE(0)
#else
extern const char raid6_empty_zero_page[PAGE_SIZE];
RAID6_USE_EMPTY_ZERO_PAGE is never set to a non-zero value. So this
is dead code and we can just remove all code related to the
RAID6_USE_EMPTY_ZERO_PAGE case.