static void update_slab_summary_entry(struct vdo_slab *slab, struct waiter *waiter,
				      tail_block_offset_t tail_block_offset,
				      bool load_ref_counts, bool is_clean,
				      block_count_t free_blocks)
static void update_slab_summary_entry(struct vdo_slab *slab, struct vdo_waiter *waiter,
				      tail_block_offset_t tail_block_offset,
				      bool load_ref_counts, bool is_clean,
				      block_count_t free_blocks)