Merge "mm/zsmalloc: add `freeable' column to pool stat"

	debugfs_remove_recursive(zs_stat_root);

}

static unsigned long zs_can_compact(struct size_class *class);

static int zs_stats_size_show(struct seq_file *s, void *v)

{

	int i;

	struct size_class *class;

	int objs_per_zspage;

	unsigned long class_almost_full, class_almost_empty;

	unsigned long obj_allocated, obj_used, pages_used;

	unsigned long obj_allocated, obj_used, pages_used, freeable;

	unsigned long total_class_almost_full = 0, total_class_almost_empty = 0;

	unsigned long total_objs = 0, total_used_objs = 0, total_pages = 0;

	unsigned long total_freeable = 0;

	seq_printf(s, " %5s %5s %11s %12s %13s %10s %10s %16s\n",

	seq_printf(s, " %5s %5s %11s %12s %13s %10s %10s %16s %8s\n",

			"class", "size", "almost_full", "almost_empty",

			"obj_allocated", "obj_used", "pages_used",

			"pages_per_zspage");

			"pages_per_zspage", "freeable");

	for (i = 0; i < zs_size_classes; i++) {

		class = pool->size_class[i];

		class_almost_empty = zs_stat_get(class, CLASS_ALMOST_EMPTY);

		obj_allocated = zs_stat_get(class, OBJ_ALLOCATED);

		obj_used = zs_stat_get(class, OBJ_USED);

		freeable = zs_can_compact(class);

		spin_unlock(&class->lock);

		objs_per_zspage = get_maxobj_per_zspage(class->size,

		pages_used = obj_allocated / objs_per_zspage *

				class->pages_per_zspage;

		seq_printf(s, " %5u %5u %11lu %12lu %13lu %10lu %10lu %16d\n",

		seq_printf(s, " %5u %5u %11lu %12lu %13lu"

				" %10lu %10lu %16d %8lu\n",

			i, class->size, class_almost_full, class_almost_empty,

			obj_allocated, obj_used, pages_used,

			class->pages_per_zspage);

			class->pages_per_zspage, freeable);

		total_class_almost_full += class_almost_full;

		total_class_almost_empty += class_almost_empty;

		total_objs += obj_allocated;

		total_used_objs += obj_used;

		total_pages += pages_used;

		total_freeable += freeable;

	}

	seq_puts(s, "\n");

	seq_printf(s, " %5s %5s %11lu %12lu %13lu %10lu %10lu\n",

	seq_printf(s, " %5s %5s %11lu %12lu %13lu %10lu %10lu %16s %8lu\n",

			"Total", "", total_class_almost_full,

			total_class_almost_empty, total_objs,

			total_used_objs, total_pages);

			total_used_objs, total_pages, "", total_freeable);

	return 0;

}