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Date: Mon, 20 Nov 2023 19:34:15 +0100 From: Vlastimil Babka <vbabka@...e.cz> To: David Rientjes <rientjes@...gle.com>, Christoph Lameter <cl@...ux.com>, Pekka Enberg <penberg@...nel.org>, Joonsoo Kim <iamjoonsoo.kim@....com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Hyeonggon Yoo <42.hyeyoo@...il.com>, Roman Gushchin <roman.gushchin@...ux.dev>, Andrey Ryabinin <ryabinin.a.a@...il.com>, Alexander Potapenko <glider@...gle.com>, Andrey Konovalov <andreyknvl@...il.com>, Dmitry Vyukov <dvyukov@...gle.com>, Vincenzo Frascino <vincenzo.frascino@....com>, Marco Elver <elver@...gle.com>, Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...nel.org>, Shakeel Butt <shakeelb@...gle.com>, Muchun Song <muchun.song@...ux.dev>, Kees Cook <keescook@...omium.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com, cgroups@...r.kernel.org, linux-hardening@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz> Subject: [PATCH v2 04/21] KFENCE: cleanup kfence_guarded_alloc() after CONFIG_SLAB removal 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@...omium.org> Reviewed-by: Marco Elver <elver@...gle.com> Signed-off-by: Vlastimil Babka <vbabka@...e.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
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