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=-9.6 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,USER_AGENT_GIT autolearn=unavailable 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 57F3BC2D0EA for ; Wed, 8 Apr 2020 12:41:26 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0126A2074F for ; Wed, 8 Apr 2020 12:41:25 +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="LRZUycqF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0126A2074F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48y3md3psrzDqNJ for ; Wed, 8 Apr 2020 22:41:21 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=batv+90f925bb5134fe9b5196+6072+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20170209 header.b=LRZUycqF; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48y2sh1XcFzDqgj for ; Wed, 8 Apr 2020 22:00:40 +1000 (AEST) 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; bh=KEFtYuqpBrCVgZp8M6bEdJZafIEARW6kIJmg3biR4K0=; b=LRZUycqFMV229C2W8BGfXZ4U40 c9uECl7UL+Q6WlTw2K2vpM6qbyXzXWKSEYHuGB9euL1doXvNACBXGwCe263BitSOP4m2FERpGA9gN TRzLryKZj3ipBzNzWf0PXyDi5Kld8X9dVhvWgI8ekPvXDXSzfpVR0fb0fPZ1YdalSvqohkCsUL3vN VI5JDnsndNAUg3JHPJcZeDv+TZT4Bppz0sXAEwaJrsSsGwe03LMwV08FDQSJiCUaJCwj5b1iw+qeR jPTA3RC7G61mI7HFz3NI2vi6CsCteSNh4cY2jdpfECo8JkHV3DyS8Nb9htyHHLOBRPfRaU3BqsP77 06Ii0T3g==; Received: from [2001:4bb8:180:5765:65b6:f11e:f109:b151] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jM9NV-0004ke-IF; Wed, 08 Apr 2020 12:00:22 +0000 From: Christoph Hellwig To: Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , x86@kernel.org, David Airlie , Daniel Vetter , Laura Abbott , Sumit Semwal , Sakari Ailus , Minchan Kim , Nitin Gupta Subject: [PATCH 14/28] mm: don't return the number of pages from map_kernel_range{, _noflush} Date: Wed, 8 Apr 2020 13:59:12 +0200 Message-Id: <20200408115926.1467567-15-hch@lst.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200408115926.1467567-1-hch@lst.de> References: <20200408115926.1467567-1-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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-s390@vger.kernel.org, Peter Zijlstra , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, bpf@vger.kernel.org, Robin Murphy , linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" None of the callers needs the number of pages, and a 0 / -errno return value is a lot more intuitive. Signed-off-by: Christoph Hellwig --- mm/vmalloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a3d810def567..ca8dc5d42580 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -249,7 +249,7 @@ static int vmap_p4d_range(pgd_t *pgd, unsigned long addr, * function. * * RETURNS: - * The number of pages mapped on success, -errno on failure. + * 0 on success, -errno on failure. */ int map_kernel_range_noflush(unsigned long addr, unsigned long size, pgprot_t prot, struct page **pages) @@ -269,7 +269,7 @@ int map_kernel_range_noflush(unsigned long addr, unsigned long size, return err; } while (pgd++, addr = next, addr != end); - return nr; + return 0; } static int map_kernel_range(unsigned long start, unsigned long size, -- 2.25.1