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[mm,v3,16/34] kasan: only define metadata offsets for Generic mode

Message ID d4bafa0534facafd1a23c465a94261e64f366493.1662411799.git.andreyknvl@google.com (mailing list archive)
State New
Headers show
Series kasan: switch tag-based modes to stack ring from per-object metadata | expand

Commit Message

andrey.konovalov@linux.dev Sept. 5, 2022, 9:05 p.m. UTC 
From: Andrey Konovalov <andreyknvl@google.com>

Hide the definitions of alloc_meta_offset and free_meta_offset under
an ifdef CONFIG_KASAN_GENERIC check, as these fields are now only used
when the Generic mode is enabled.

Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
 include/linux/kasan.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 9743d4b3a918..a212c2e3f32d 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -98,8 +98,10 @@  static inline bool kasan_has_integrated_init(void)
 #ifdef CONFIG_KASAN
 
 struct kasan_cache {
+#ifdef CONFIG_KASAN_GENERIC
 	int alloc_meta_offset;
 	int free_meta_offset;
+#endif
 	bool is_kmalloc;
 };