+/* mempool for queueing pending writes on the bitmap file */
+static void *write_pool_alloc(gfp_t gfp_flags, void *data)
+{
+ return kmalloc(sizeof(struct page_list), gfp_flags);
+}
+
+static void write_pool_free(void *ptr, void *data)
+{
+ kfree(ptr);
+}