KMALLOC
# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
# define KMALLOC(a, b) (a) = (b)malloc(sizeof(*(a)), _M_IPF, M_NOWAIT)
# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
