[PATCH v2 04/21] KFENCE: cleanup kfence_guarded_alloc() after CONFIG_SLAB removal

Vlastimil Babka
2023-11-20T18:34:42Z

Some struct slab fields are initialized differently for SLAB and SLUB so
we can simplify with SLUB being the only remaining allocator.

Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
mm/kfence/core.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 3872528d0963..8350f5c06f2e 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -463,11 +463,7 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g
/* Set required slab fields. */
slab = virt_to_slab((void *)meta->addr);
slab->slab_cache = cache;
-#if defined(CONFIG_SLUB)
slab->objects = 1;
-#elif defined(CONFIG_SLAB)
- slab->s_mem = addr;
-#endif

/* Memory initialization. */
set_canary(meta);

--
2.42.1