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,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 B1C66C2BB86 for ; Tue, 14 Apr 2020 13:15:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 72F702063A for ; Tue, 14 Apr 2020 13:15:07 +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="efsgNLHp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 72F702063A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1C3DB8E0015; Tue, 14 Apr 2020 09:15:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 19D028E000E; Tue, 14 Apr 2020 09:15:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0D8098E0015; Tue, 14 Apr 2020 09:15:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id E0FD78E000E for ; Tue, 14 Apr 2020 09:15:05 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 93F79583A for ; Tue, 14 Apr 2020 13:15:05 +0000 (UTC) X-FDA: 76706506170.10.men82_f558ab01755b X-HE-Tag: men82_f558ab01755b X-Filterd-Recvd-Size: 3621 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Apr 2020 13:15:05 +0000 (UTC) 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=tYFsPxnL5Cf0xutooZZA35BzCM3FXJLWimeyQwU4Geo=; b=efsgNLHpIN4Yqr2HXTNKVny1ja RhW54NXX4njkSCMHQvjm7Ifv3W88BOeKN4BVJFdmqKBn+Hq39bpTnIk/9zF+3R7iZ5ADItXTYxs/T GB+rmDWWsKteetqgaAAsSQFaXnWz7cfVUL4O3rb57CERc94sZm33IyCmii25oGkan0JESdDkCtWLD 9R7w8VTfPFqpoQoGM/uLMEXjDDeP4lLIFmaRZa0n7fbiJvWGNvpriyAoqbJzAxWzxGDaVIiKp6O9n 8UQVzDh4mbS8gOi5U1IUZXQH0by+DSTL/IUiHNEJFj2H1K3Vkwp9Lzn+tMtCKou/z5ti5OwdqIHpa jlEnYuxg==; Received: from [2001:4bb8:180:384b:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOLOl-0006yj-6V; Tue, 14 Apr 2020 13:14:43 +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 Cc: Robin Murphy , Christophe Leroy , Peter Zijlstra , linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 15/29] mm: don't return the number of pages from map_kernel_range{,_noflush} Date: Tue, 14 Apr 2020 15:13:34 +0200 Message-Id: <20200414131348.444715-16-hch@lst.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200414131348.444715-1-hch@lst.de> References: <20200414131348.444715-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 Acked-by: Peter Zijlstra (Intel) --- 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 a= ddr, * 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, unsi= gned long size, return err; } while (pgd++, addr =3D next, addr !=3D end); =20 - return nr; + return 0; } =20 static int map_kernel_range(unsigned long start, unsigned long size, --=20 2.25.1