Merge "mm: cma: Register with show_mem notification framework"

#include <linux/io.h>

#include <linux/kmemleak.h>

#include <linux/delay.h>

#include <linux/show_mem_notifier.h>

#include <trace/events/cma.h>

#include "cma.h"

	mutex_unlock(&cma->lock);

}

static int cma_showmem_notifier(struct notifier_block *nb,

				   unsigned long action, void *data)

{

	int i;

	unsigned long used;

	struct cma *cma;

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

		cma = &cma_areas[i];

		used = bitmap_weight(cma->bitmap,

				     (int)cma_bitmap_maxno(cma));

		used <<= cma->order_per_bit;

		pr_info("cma-%d pages: => %lu used of %lu total pages\n",

			i, used, cma->count);

	}

	return 0;

}

static struct notifier_block cma_nb = {

	.notifier_call = cma_showmem_notifier,

};

static int __init cma_activate_area(struct cma *cma)

{

	int bitmap_size = BITS_TO_LONGS(cma_bitmap_maxno(cma)) * sizeof(long);

			return ret;

	}

	show_mem_notifier_register(&cma_nb);

	return 0;

}

core_initcall(cma_init_reserved_areas);