#include <linux/slab.h>
/* global SRCU for all MMs */
-struct srcu_struct srcu;
+static struct srcu_struct srcu;
/*
* This function can't run concurrently against mmu_notifier_register
int id;
/*
- * RCU here will block mmu_notifier_unregister until
+ * SRCU here will block mmu_notifier_unregister until
* ->release returns.
*/
id = srcu_read_lock(&srcu);
hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
if (mn->ops->change_pte)
mn->ops->change_pte(mn, mm, address, pte);
- /*
- * Some drivers don't have change_pte,
- * so we must call invalidate_page in that case.
- */
- else if (mn->ops->invalidate_page)
- mn->ops->invalidate_page(mn, mm, address);
}
srcu_read_unlock(&srcu, id);
}
if (!hlist_unhashed(&mn->hlist)) {
/*
- * RCU here will force exit_mmap to wait ->release to finish
+ * SRCU here will force exit_mmap to wait ->release to finish
* before freeing the pages.
*/
int id;