EFA_MMAP_FLAG_SHIFT   17 drivers/infiniband/hw/efa/efa_verbs.c #define EFA_MMAP_PAGE_MASK GENMASK(EFA_MMAP_FLAG_SHIFT - 1, 0)
EFA_MMAP_FLAG_SHIFT   40 drivers/infiniband/hw/efa/efa_verbs.c 	return ((u64)efa->mmap_flag << EFA_MMAP_FLAG_SHIFT) |