SLAB_DEBUG_FLAGS  198 mm/slab.h      #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER)
SLAB_DEBUG_FLAGS  200 mm/slab.h      #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
SLAB_DEBUG_FLAGS  203 mm/slab.h      #define SLAB_DEBUG_FLAGS (0)