+ int i;
+
+ /* total number of items is whatever the page pools are holding
+ plus whatever's in the freelist */
+ for (i = 0; i < num_orders; i++) {
+ struct ion_page_pool *pool = sys_heap->pools[i];
+ nr_total += ion_page_pool_shrink(pool, sc->gfp_mask, 0);
+ }
+ nr_total += ion_heap_freelist_size(heap) / PAGE_SIZE;
+ return nr_total;
+
+}
+
+static unsigned long ion_system_heap_shrink_scan(struct shrinker *shrinker,
+ struct shrink_control *sc)
+{
+
+ struct ion_heap *heap = container_of(shrinker, struct ion_heap,
+ shrinker);
+ struct ion_system_heap *sys_heap = container_of(heap,
+ struct ion_system_heap,
+ heap);