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=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 1E7ADC43441 for ; Thu, 15 Nov 2018 15:48:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D946F2245E for ; Thu, 15 Nov 2018 15:48:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="inoihOzV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D946F2245E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 S2388621AbeKPB5E (ORCPT ); Thu, 15 Nov 2018 20:57:04 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:34508 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387922AbeKPB5E (ORCPT ); Thu, 15 Nov 2018 20:57:04 -0500 Received: by mail-pf1-f193.google.com with SMTP id h3so3339843pfg.1 for ; Thu, 15 Nov 2018 07:48:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=oOYDPl7I11jBlyi0EH4ySGobxWcMxdpKNBu+OKkydwU=; b=inoihOzVvauWHLvinRNbPtuEK6bN3+FQjdHdAI6xnemcLobPU0Xt6Ugh9wMw8hy+rs SOOfP9IJWbgvb3W6nI6Vu/Ctq16+fij7Hf5bE9+b2zmCxmJgqSyAiDDy1MisrdVm1oJP HiYJF6PEIMeekVPyyUZs2rrfC/13Ml+iDvdsOlZIgYkCH/4ILc2Xy/vGY1bNwte/mJp3 A3JcWZ7VJduEIzQ/vGk77Gd8mfS3EUtNGkFSc5B6qUpWwGsTGf1W1Ptu/h9scnpbIm0/ dkkTPFv3gU6AJIK9HYZuzsg45rCpYszyCjUkQGTMFgGNAUHkMJeJ7XErWJR4PEsddndp roHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=oOYDPl7I11jBlyi0EH4ySGobxWcMxdpKNBu+OKkydwU=; b=aiPEQS4CL3JCsw0vtZhwHQRChfZakgh14QhzkXf2P2GvNL4gMXsF1PNBa5bnJn0ltK xi3zDkh9rIv0H/cVGL/4i5SovMcJuwoDXoeCteAioBF8TjWHz+3bvTtExq7wSQbr5CHE SnILeqA7QyiJu608BwcjnDoz+BCWHUTqwi/7Nf3CbPTb9XEakM+EKjfNzppvOKRuHsUD hBuwb04UJS18z6PGTLs8bPmmUVSPEWCN4pN3S0JgtcacMbsAEMuiLFc8rawwSRvPH/DK A1GnDzJlw/QSpCMsDZa7WlNssnl8C4/9MMmhW2J7dxm3DqFdshpXy6LetkHfJbG0n9z5 BpQA== X-Gm-Message-State: AGRZ1gKYpdHXEkkNZletSs1wEhKgtFpzi8MIuTg9TDwJnMecXX65bK7t 8u/QD50uErswLo1CON3rATNoZ57S X-Google-Smtp-Source: AJdET5c287Ctegge8urpXjRpkwaEtQ9te3hfg5O2h3PwVJmQ1DKCM7oivVkSw2SZUVl3XEpvWdPufg== X-Received: by 2002:a63:c746:: with SMTP id v6-v6mr6404071pgg.108.1542296921906; Thu, 15 Nov 2018 07:48:41 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.97.233]) by smtp.gmail.com with ESMTPSA id w66-v6sm30499900pfb.51.2018.11.15.07.48.40 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 15 Nov 2018 07:48:41 -0800 (PST) Date: Thu, 15 Nov 2018 21:22:17 +0530 From: Souptick Joarder To: akpm@linux-foundation.org, willy@infradead.org, mhocko@suse.com, boris.ostrovsky@oracle.com, jgross@suse.com Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 9/9] xen/privcmd-buf.c: Convert to use vm_insert_range Message-ID: <20181115155217.GA28043@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert to use vm_insert_range() to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox --- drivers/xen/privcmd-buf.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c index df1ed37..8d8255b 100644 --- a/drivers/xen/privcmd-buf.c +++ b/drivers/xen/privcmd-buf.c @@ -180,12 +180,8 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma) if (vma_priv->n_pages != count) ret = -ENOMEM; else - for (i = 0; i < vma_priv->n_pages; i++) { - ret = vm_insert_page(vma, vma->vm_start + i * PAGE_SIZE, - vma_priv->pages[i]); - if (ret) - break; - } + ret = vm_insert_range(vma, vma->vm_start, vma_priv->pages, + vma_priv->n_pages); if (ret) privcmd_buf_vmapriv_free(vma_priv); -- 1.9.1