unsigned int shallow_depth;
/*
- * For each batch, we wake up one queue. We need to make sure that our
- * batch size is small enough that the full depth of the bitmap,
- * potentially limited by a shallow depth, is enough to wake up all of
- * the queues.
- *
* Each full word of the bitmap has bits_per_word bits, and there might
* be a partial word. There are depth / bits_per_word full words and
* depth % bits_per_word bits left over. In bitwise arithmetic: