summaryrefslogtreecommitdiff
path: root/mm/kasan/kasan.h
diff options
context:
space:
mode:
authorAndrey Konovalov <andreyknvl@google.com>2022-09-05 23:05:27 +0200
committerAndrew Morton <akpm@linux-foundation.org>2022-10-03 14:02:58 -0700
commit5935143d118569cdbccbae182763d2b451120c40 (patch)
treea657450efa4af365a7f9f79739783e672009e787 /mm/kasan/kasan.h
parent284f8590a1dfbe1c33b50bf6e8f8dc714e61bfd3 (diff)
kasan: introduce kasan_init_cache_meta
Add a kasan_init_cache_meta() helper that initializes metadata-related cache parameters and use this helper in the common KASAN code. Put the implementation of this new helper into generic.c, as only the Generic mode uses per-object metadata. Link: https://lkml.kernel.org/r/a6d7ea01876eb36472c9879f7b23f1b24766276e.1662411799.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Peter Collingbourne <pcc@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan/kasan.h')
-rw-r--r--mm/kasan/kasan.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 1736abd661b6..6da35370ba37 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -297,12 +297,14 @@ struct page *kasan_addr_to_page(const void *addr);
struct slab *kasan_addr_to_slab(const void *addr);
#ifdef CONFIG_KASAN_GENERIC
+void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size);
void kasan_init_object_meta(struct kmem_cache *cache, const void *object);
struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache,
const void *object);
struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache,
const void *object);
#else
+static inline void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size) { }
static inline void kasan_init_object_meta(struct kmem_cache *cache, const void *object) { }
#endif