From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757006AbdESVB0 (ORCPT ); Fri, 19 May 2017 17:01:26 -0400 Received: from mail-pg0-f41.google.com ([74.125.83.41]:32874 "EHLO mail-pg0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756876AbdESVBU (ORCPT ); Fri, 19 May 2017 17:01:20 -0400 From: Matthias Kaehlcke To: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Matthias Kaehlcke Subject: [PATCH 2/3] mm/slub: Mark slab_free_hook() as __maybe_unused Date: Fri, 19 May 2017 14:00:35 -0700 Message-Id: <20170519210036.146880-3-mka@chromium.org> X-Mailer: git-send-email 2.13.0.303.g4ebf302169-goog In-Reply-To: <20170519210036.146880-1-mka@chromium.org> References: <20170519210036.146880-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The function is only used when certain configuration option are enabled. Adding the attribute fixes the following warning when building with clang: mm/slub.c:1258:20: error: unused function 'slab_free_hook' [-Werror,-Wunused-function] Signed-off-by: Matthias Kaehlcke --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slub.c b/mm/slub.c index 66e1046435b7..23a8eb83efff 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1328,7 +1328,7 @@ static inline void kfree_hook(const void *x) kasan_kfree_large(x); } -static inline void *slab_free_hook(struct kmem_cache *s, void *x) +static inline void *__maybe_unused slab_free_hook(struct kmem_cache *s, void *x) { void *freeptr; -- 2.13.0.303.g4ebf302169-goog