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=-8.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 48A9CC48BE3 for ; Mon, 24 Jun 2019 05:43:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20A142089F for ; Mon, 24 Jun 2019 05:43:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="m8UBJ+0X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726321AbfFXFn1 (ORCPT ); Mon, 24 Jun 2019 01:43:27 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:34868 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726223AbfFXFnZ (ORCPT ); Mon, 24 Jun 2019 01:43:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=uHFTnl4vUjrNVYTFv2dDUy+7np+VKavI9He7Ga2MW2s=; b=m8UBJ+0XcFZ7O7trRjCFun/kpM ZZL9L8R5+7n1in9B7bBJFc+moU0JB6Hi14/as4UhSBatyUxxcjhzsdYC6kDe3REVcjNaNW5RX3Fza C7X9mCLwL3zA7GmD9WbrUJDOy6dtV3finn/OvuiwPpTghqZu7fQlcGpPZwA7yPEAuVDAm6/tHnW3I hX0KhA8ptgDt+HbonwtMMPc7CPE9Lo25J7clA4oa2UPWbkXTT8GAWx4HWmjFSd3S2S9AyvJatTWdx HcphWkJ03sWY5Z74c2jp+RNrCmbNpU9pJ91z9gGz1xiJzbkVWkQ1rEC/P9e68pcZCYm5ie7s48ZEu /Usxr9xQ==; Received: from 213-225-6-159.nat.highway.a1.net ([213.225.6.159] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hfHlC-00065N-AR; Mon, 24 Jun 2019 05:43:23 +0000 From: Christoph Hellwig To: Palmer Dabbelt , Paul Walmsley Cc: Damien Le Moal , linux-riscv@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/17] mm: stub out all of swapops.h for !CONFIG_MMU Date: Mon, 24 Jun 2019 07:42:56 +0200 Message-Id: <20190624054311.30256-3-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190624054311.30256-1-hch@lst.de> References: <20190624054311.30256-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The whole header file deals with swap entries and PTEs, none of which can exist for nommu builds. Signed-off-by: Christoph Hellwig --- include/linux/swapops.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 4d961668e5fc..b02922556846 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -6,6 +6,8 @@ #include #include +#ifdef CONFIG_MMU + /* * swapcache pages are stored in the swapper_space radix tree. We want to * get good packing density in that tree, so the index should be dense in @@ -50,13 +52,11 @@ static inline pgoff_t swp_offset(swp_entry_t entry) return entry.val & SWP_OFFSET_MASK; } -#ifdef CONFIG_MMU /* check whether a pte points to a swap entry */ static inline int is_swap_pte(pte_t pte) { return !pte_none(pte) && !pte_present(pte); } -#endif /* * Convert the arch-dependent pte representation of a swp_entry_t into an @@ -375,4 +375,5 @@ static inline int non_swap_entry(swp_entry_t entry) } #endif +#endif /* CONFIG_MMU */ #endif /* _LINUX_SWAPOPS_H */ -- 2.20.1