#include <linux/wait.h>
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/slab.h>
#define TTM_MEMORY_ALLOC_RETRIES 4
NULL
};
-static struct sysfs_ops ttm_mem_zone_ops = {
+static const struct sysfs_ops ttm_mem_zone_ops = {
.show = &ttm_mem_zone_show,
.store = &ttm_mem_zone_store
};