static unsigned cl_envs_cached_nr = 0;
static unsigned cl_envs_cached_max = 128; /* XXX: prototype: arbitrary limit
* for now. */
-static cfs_spinlock_t cl_envs_guard = CFS_SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(cl_envs_guard);
struct cl_env {
void *ce_magic;