1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4042a584671e..6b614f8af045 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1363,6 +1363,22 @@ static __always_inline void vma_set_flags_mask(struct vm_area_struct *vma,
 #define vma_set_flags(vma, ...) \
 	vma_set_flags_mask(vma, mk_vma_flags(__VA_ARGS__))
 
+/* Helper to clear all VMA flags in a VMA. */
+static __always_inline void vma_clear_flags_mask(struct vm_area_struct *vma,
+		vma_flags_t flags)
+{
+	vma_flags_clear_mask(&vma->flags, flags);
+}
+
+/*
+ * Helper macro for clearing VMA flags, e.g.:
+ *
+ * vma_clear_flags(vma, VMA_IO_BIT, VMA_PFNMAP_BIT, VMA_DONTEXPAND_BIT,
+ * 		VMA_DONTDUMP_BIT);
+ */
+#define vma_clear_flags(vma, ...) \
+	vma_clear_flags_mask(vma, mk_vma_flags(__VA_ARGS__))
+
 /*
  * Test whether a specific VMA flag is set in a VMA descriptor, e.g.:
  *