1 files changed, 0 insertions, 10 deletions
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index f45ff1b7626a..50c0dde1354f 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -1120,13 +1120,3 @@ void mmu_notifier_synchronize(void)
 	synchronize_srcu(&srcu);
 }
 EXPORT_SYMBOL_GPL(mmu_notifier_synchronize);
-
-bool
-mmu_notifier_range_update_to_read_only(const struct mmu_notifier_range *range)
-{
-	if (!range->vma || range->event != MMU_NOTIFY_PROTECTION_VMA)
-		return false;
-	/* Return true if the vma still have the read flag set. */
-	return range->vma->vm_flags & VM_READ;
-}
-EXPORT_SYMBOL_GPL(mmu_notifier_range_update_to_read_only);