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Diffstat (limited to 'include/linux/mmu_notifier.h')
-rw-r--r--include/linux/mmu_notifier.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 7b2e31b1745a..2cf1c3c807f6 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MMU_NOTIFIER_H
#define _LINUX_MMU_NOTIFIER_H
@@ -400,6 +401,11 @@ extern void mmu_notifier_synchronize(void);
#else /* CONFIG_MMU_NOTIFIER */
+static inline int mm_has_notifiers(struct mm_struct *mm)
+{
+ return 0;
+}
+
static inline void mmu_notifier_release(struct mm_struct *mm)
{
}