diff options
| -rw-r--r-- | include/kunit/test.h | 12 | ||||
| -rw-r--r-- | lib/kunit/user_alloc.c | 4 |
2 files changed, 14 insertions, 2 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 diff --git a/lib/kunit/user_alloc.c b/lib/kunit/user_alloc.c index 46951be018be..b8cac765e620 100644 --- a/lib/kunit/user_alloc.c +++ b/lib/kunit/user_alloc.c @@ -22,8 +22,7 @@ struct kunit_vm_mmap_params { unsigned long offset; }; -/* Create and attach a new mm if it doesn't already exist. */ -static int kunit_attach_mm(void) +int kunit_attach_mm(void) { struct mm_struct *mm; @@ -49,6 +48,7 @@ static int kunit_attach_mm(void) return 0; } +EXPORT_SYMBOL_GPL(kunit_attach_mm); static int kunit_vm_mmap_init(struct kunit_resource *res, void *context) { |