From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from imap4.hz.codethink.co.uk (imap4.hz.codethink.co.uk [188.40.203.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EE6F3C345A for ; Thu, 18 Jun 2026 10:06:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.203.114 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781777192; cv=none; b=RQccDITw5FWcfqznH054yQ3gdqqLeiLiIv/bgwOh1ope/kJgVmSbgyvFwZOFf3hgizduDjjn1yX2VAkxK3ySUIVQTQY0qTrTynOX/kH52ntToM1iMKDMxNLBBPEYdMixjg8hj8bOz07KsHq7Sbniv9vUUni1E3pLiwjhtk2zYJk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781777192; c=relaxed/simple; bh=RIU0JSNP/QnRdLFeJay3njp6Gt838x8cqc/ZgUDeSdk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=i1GuUDMdxxyXviLvAkW+3pZcsYo03hezmvXCZY02xB+eaxUZQHV3Gw/yuDuH3P8M3s8T6Am7+3WjRUrPQ6y787apzAU40Hg9ZIwZkMGnPonol8oMktDnIQYww2kP0qooGbWuJsy4PuAmouuPnIll5AhpYsL5efoP7LLiYvHuzWY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=codethink.co.uk; spf=pass smtp.mailfrom=codethink.com; dkim=pass (2048-bit key) header.d=codethink.co.uk header.i=@codethink.co.uk header.b=xau/ycbc; arc=none smtp.client-ip=188.40.203.114 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=codethink.co.uk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=codethink.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=codethink.co.uk header.i=@codethink.co.uk header.b="xau/ycbc" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codethink.co.uk; s=imap4-20230908; h=Sender:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:In-Reply-To: References; bh=nVRtR1gAUE6N5S41XmFtwd5wDiRa6bjAvj3xCU45a9k=; b=xau/ycbcmL5NDx SCTL/oRVL0HHm+vZUZxtq1A3lkaHD8Y2kvk6NrzFZhqti3sNF/fPfWBnzlEJmKRHJpmnZ5TxwIYtC aRPutFwjnhSL7Td+bCWYXNx54RK7SvofFtCBb3krlAW5mfLB7HAn1aGdquV6ctbBarKSckTq32d6p dxXJcY6iXEbsfHn7WyM0k+xXZxNfzMlM/ZTq8Hgq6gk3nNzqjJRySOXFV5o42GeQ1qXoEW6SH7TcR goEPaKiBLNUr6IZTl9Ehb2PgjCiUUHTG5Jz4vH49C15eNpjP/LczGWA/x0XnPSql5w3vJSaO5qn+o 6SLgeDZzd7ZLqiNieNCA==; Received: from [63.135.74.212] (helo=rainbowdash) by imap4.hz.codethink.co.uk with esmtpsa (Exim 4.94.2 #2 (Debian)) id 1wa9dY-009jvA-V4; Thu, 18 Jun 2026 11:06:17 +0100 Received: from ben by rainbowdash with local (Exim 4.99.4) (envelope-from ) id 1wa9dY-00000005Xtz-0WX0; Thu, 18 Jun 2026 11:06:16 +0100 From: Ben Dooks To: Andrew Morton , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Ben Dooks Subject: [PATCH] mm/page_alloc: don't build vm_numa_stat_key if CONFIG_NUMA=n Date: Thu, 18 Jun 2026 11:06:14 +0100 Message-Id: <20260618100614.1321950-1-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 2.37.2.352.g3c44437643 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: srv_ts003@codethink.com The vm_numa_stat_key is only exported if CONFIG_NUMA is set, so avoid the following warning by guarding it in an #ifdef on CONFIG_NUMA: mm/page_alloc.c:165:1: warning: symbol 'vm_numa_stat_key' was not declared. Should it be static? Signed-off-by: Ben Dooks --- mm/page_alloc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d49c254174da..b7d303a94cc1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -162,7 +162,9 @@ DEFINE_PER_CPU(int, numa_node); EXPORT_PER_CPU_SYMBOL(numa_node); #endif +#ifdef CONFIG_NUMA DEFINE_STATIC_KEY_TRUE(vm_numa_stat_key); +#endif #ifdef CONFIG_HAVE_MEMORYLESS_NODES /* -- 2.37.2.352.g3c44437643