From patchwork Tue Mar 21 08:30:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13182366 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B87F7C74A5B for ; Tue, 21 Mar 2023 08:32:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229640AbjCUIcV (ORCPT ); Tue, 21 Mar 2023 04:32:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229768AbjCUIcH (ORCPT ); Tue, 21 Mar 2023 04:32:07 -0400 Received: from michel.telenet-ops.be (michel.telenet-ops.be [IPv6:2a02:1800:110:4::f00:18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AFE210D8 for ; Tue, 21 Mar 2023 01:31:10 -0700 (PDT) Received: from ramsan.of.borg ([84.195.187.55]) by michel.telenet-ops.be with bizsmtp id awX12900E1C8whw06wX1Zd; Tue, 21 Mar 2023 09:31:08 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1peXNr-00E6VQ-Gp; Tue, 21 Mar 2023 09:31:01 +0100 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1peXOX-007g6A-62; Tue, 21 Mar 2023 09:31:01 +0100 From: Geert Uytterhoeven To: Dave Hansen , Arnd Bergmann , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: John Paul Adrian Glaubitz , linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven , Randy Dunlap Subject: [PATCH] mm/slab: Fix undefined init_cache_node_node() for NUMA and !SMP Date: Tue, 21 Mar 2023 09:30:59 +0100 Message-Id: <67261c513706241d479b8b4cf46eb4e6fb0417ba.1679387262.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org sh/migor_defconfig: mm/slab.c: In function ‘slab_memory_callback’: mm/slab.c:1127:23: error: implicit declaration of function ‘init_cache_node_node’; did you mean ‘drain_cache_node_node’? [-Werror=implicit-function-declaration] 1127 | ret = init_cache_node_node(nid); | ^~~~~~~~~~~~~~~~~~~~ | drain_cache_node_node The #ifdef condition protecting the definition of init_cache_node_node() no longer matches the conditions protecting the (multiple) users. Fix this by syncing the conditions. Fixes: 76af6a054da40553 ("mm/migrate: add CPU hotplug to demotion #ifdef") Reported-by: Randy Dunlap Link: https://lore.kernel.org/r/b5bdea22-ed2f-3187-6efe-0c72330270a4@infradead.org Signed-off-by: Geert Uytterhoeven Reviewed-by: John Paul Adrian Glaubitz Acked-by: Randy Dunlap --- mm/slab.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slab.c b/mm/slab.c index ba454246ee13dd4d..de1523a78f2e7367 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -839,7 +839,7 @@ static int init_cache_node(struct kmem_cache *cachep, int node, gfp_t gfp) return 0; } -#if (defined(CONFIG_NUMA) && defined(CONFIG_MEMORY_HOTPLUG)) || defined(CONFIG_SMP) +#if defined(CONFIG_NUMA) || defined(CONFIG_SMP) /* * Allocates and initializes node for a node on each slab cache, used for * either memory or cpu hotplug. If memory is being hot-added, the kmem_cache_node