1 files changed, 12 insertions, 0 deletions
diff --git a/include/kunit/test.h b/include/kunit/test.h
index 39c768f87dc9..d958ee53050e 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -532,6 +532,18 @@ static inline char *kunit_kstrdup(struct kunit *test, const char *str, gfp_t gfp
 const char *kunit_kstrdup_const(struct kunit *test, const char *str, gfp_t gfp);
 
 /**
+ * kunit_attach_mm() - Create and attach a new mm if it doesn't already exist.
+ *
+ * Allocates a &struct mm_struct and attaches it to @current. In most cases, call
+ * kunit_vm_mmap() without calling kunit_attach_mm() directly. Only necessary when
+ * code under test accesses the mm before executing the mmap (e.g., to perform
+ * additional initialization beforehand).
+ *
+ * Return: 0 on success, -errno on failure.
+ */
+int kunit_attach_mm(void);
+
+/**
  * kunit_vm_mmap() - Allocate KUnit-tracked vm_mmap() area
  * @test: The test context object.
  * @file: struct file pointer to map from, if any