WORK_OFFQ_DISABLE_BITS
#define WORK_OFFQ_DISABLE_MASK (((1ul << WORK_OFFQ_DISABLE_BITS) - 1) << WORK_OFFQ_DISABLE_SHIFT)
WORK_OFFQ_POOL_SHIFT = WORK_OFFQ_DISABLE_SHIFT + WORK_OFFQ_DISABLE_BITS,
const unsigned long max = (1lu << WORK_OFFQ_DISABLE_BITS) - 1;
WORK_OFFQ_DISABLE_BITS);