diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/kasan/kasan.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 0e209b823b2c..38af25b9c89c 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -101,21 +101,21 @@ static inline bool kasan_sample_page_alloc(unsigned int order) #ifdef CONFIG_KASAN_GENERIC -/* Generic KASAN uses per-object metadata to store stack traces. */ +/* + * Generic KASAN uses per-object metadata to store alloc and free stack traces + * and the quarantine link. + */ static inline bool kasan_requires_meta(void) { - /* - * Technically, Generic KASAN always collects stack traces right now. - * However, let's use kasan_stack_collection_enabled() in case the - * kasan.stacktrace command-line argument is changed to affect - * Generic KASAN. - */ - return kasan_stack_collection_enabled(); + return true; } #else /* CONFIG_KASAN_GENERIC */ -/* Tag-based KASAN modes do not use per-object metadata. */ +/* + * Tag-based KASAN modes do not use per-object metadata: they use the stack + * ring to store alloc and free stack traces and do not use qurantine. + */ static inline bool kasan_requires_meta(void) { return false; |