Merge "staging: android: Reduce allocation time from system heap"

	*from_pool = true;

	mutex_lock(&pool->mutex);

	if (mutex_trylock(&pool->mutex)) {

		if (pool->high_count)

			page = ion_page_pool_remove(pool, true);

		else if (pool->low_count)

			page = ion_page_pool_remove(pool, false);

		mutex_unlock(&pool->mutex);

	}

	if (!page) {

		page = ion_page_pool_alloc_pages(pool);

		*from_pool = false;