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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2F8C3C43334 for ; Tue, 4 Sep 2018 11:45:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD8B8206BA for ; Tue, 4 Sep 2018 11:45:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD8B8206BA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727181AbeIDQKG (ORCPT ); Tue, 4 Sep 2018 12:10:06 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:41268 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726108AbeIDQKG (ORCPT ); Tue, 4 Sep 2018 12:10:06 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B5C641596; Tue, 4 Sep 2018 04:45:19 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 84BF43F703; Tue, 4 Sep 2018 04:45:19 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 87D7D1AE2DE6; Tue, 4 Sep 2018 12:45:33 +0100 (BST) From: Will Deacon To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, npiggin@gmail.com, linux-mm@kvack.org, kirill.shutemov@linux.intel.com, akpm@linux-foundation.org, mhocko@suse.com, aneesh.kumar@linux.vnet.ibm.com Subject: [PATCH v2 1/5] asm-generic/tlb: Guard with #ifdef CONFIG_MMU Date: Tue, 4 Sep 2018 12:45:29 +0100 Message-Id: <1536061533-16188-2-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1536061533-16188-1-git-send-email-will.deacon@arm.com> References: <1536061533-16188-1-git-send-email-will.deacon@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The inner workings of the mmu_gather-based TLB invalidation mechanism are not relevant to nommu configurations, so guard them with an #ifdef. This allows us to implement future functions using static inlines without breaking the build. Acked-by: Nicholas Piggin Acked-by: Peter Zijlstra (Intel) Signed-off-by: Will Deacon --- include/asm-generic/tlb.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index b3353e21f3b3..a25e236f7a7f 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -20,6 +20,8 @@ #include #include +#ifdef CONFIG_MMU + #ifdef CONFIG_HAVE_RCU_TABLE_FREE /* * Semi RCU freeing of the page directories. @@ -310,6 +312,8 @@ static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, #endif #endif +#endif /* CONFIG_MMU */ + #define tlb_migrate_finish(mm) do {} while (0) #endif /* _ASM_GENERIC__TLB_H */ -- 2.1.4