#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/sysfs.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <linux/smp.h>
return ret;
}
-static struct sysfs_ops threshold_ops = {
+static const struct sysfs_ops threshold_ops = {
.show = show,
.store = store,
};