- else if (memstall_tick) {
- u32 sample;
- /*
- * Since we care about lost potential, a
- * memstall is FULL when there are no other
- * working tasks, but also when the CPU is
- * actively reclaiming and nothing productive
- * could run even if it were runnable.
- *
- * When the timer tick sees a reclaiming CPU,
- * regardless of runnable tasks, sample a FULL
- * tick (or less if it hasn't been a full tick
- * since the last state change).
- */
- sample = min(delta, (u32)jiffies_to_nsecs(1));
- groupc->times[PSI_MEM_FULL] += sample;
- }