From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B920C10F0E for ; Sun, 7 Apr 2019 12:55:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 034FC20880 for ; Sun, 7 Apr 2019 12:55:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbfDGMzQ (ORCPT ); Sun, 7 Apr 2019 08:55:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60824 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726040AbfDGMzP (ORCPT ); Sun, 7 Apr 2019 08:55:15 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A2B2E30642AA; Sun, 7 Apr 2019 12:55:15 +0000 (UTC) Received: from thuth.com (ovpn-116-96.ams2.redhat.com [10.36.116.96]) by smtp.corp.redhat.com (Postfix) with ESMTP id E8E1C600C1; Sun, 7 Apr 2019 12:55:11 +0000 (UTC) From: Thomas Huth To: Martin Schwidefsky , Heiko Carstens , linux-s390@vger.kernel.org Cc: David Hildenbrand , linux-kernel@vger.kernel.org Subject: [PATCH] s390/mm: Silence compiler warning when compiling without CONFIG_PGSTE Date: Sun, 7 Apr 2019 14:55:09 +0200 Message-Id: <20190407125509.6380-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Sun, 07 Apr 2019 12:55:15 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If CONFIG_PGSTE is not set (e.g. when compiling without KVM), GCC complains: CC arch/s390/mm/pgtable.o arch/s390/mm/pgtable.c:413:15: warning: ‘pmd_alloc_map’ defined but not used [-Wunused-function] static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) ^~~~~~~~~~~~~ Wrap the function with "#ifdef CONFIG_PGSTE" to silence the warning. Signed-off-by: Thomas Huth --- arch/s390/mm/pgtable.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 8485d6dc2754..9ebd01219812 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -410,6 +410,7 @@ static inline pmd_t pmdp_flush_lazy(struct mm_struct *mm, return old; } +#ifdef CONFIG_PGSTE static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) { pgd_t *pgd; @@ -427,6 +428,7 @@ static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) pmd = pmd_alloc(mm, pud, addr); return pmd; } +#endif pmd_t pmdp_xchg_direct(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t new) -- 2.21.0