KASAN_TAG_WIDTH
#define KASAN_TAG_PGOFF (LAST_CPUPID_PGOFF - KASAN_TAG_WIDTH)
#define KASAN_TAG_PGSHIFT (KASAN_TAG_PGOFF * (KASAN_TAG_WIDTH != 0))
#define KASAN_TAG_MASK ((1UL << KASAN_TAG_WIDTH) - 1)
KASAN_TAG_WIDTH + LAST_CPUPID_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
NODES_WIDTH - KASAN_TAG_WIDTH - LAST_CPUPID_WIDTH)
LAST_CPUPID_SHIFT + KASAN_TAG_WIDTH + \
KASAN_TAG_WIDTH + LAST_CPUPID_SHIFT <= BITS_PER_LONG - NR_PAGEFLAGS
{KASAN_TAG_WIDTH, KASAN_TAG_PGSHIFT, KASAN_TAG_MASK,
{KASAN_TAG_WIDTH, KASAN_TAG_PGSHIFT, KASAN_TAG_MASK,
KASAN_TAG_WIDTH,
KASAN_TAG_WIDTH);