Message ID | 20181115155113.GA28021@jordon-HP-15-Notebook-PC (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[209.85.220.65]) by mx.google.com with SMTPS id m28-v6sor26021478pfg.39.2018.11.15.07.47.49 for <linux-mm@kvack.org> (Google Transport Security); Thu, 15 Nov 2018 07:47:49 -0800 (PST) Received-SPF: pass (google.com: domain of jrdr.linux@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=FqwlFq7R; spf=pass (google.com: domain of jrdr.linux@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=jrdr.linux@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com 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=io202K/f8USMQZXbIPPlFl1CkxJtDZmQ24ViVn7Bo2M=; b=FqwlFq7RXy+tYLQhDZXhKCbRPAkRmfn2V/LfWtK/qmLG+Vie8Ebzek8qsl9WCGr9QA 0whTVQ3NWdP1mlPPtsMuVS01rpgpSMe39FgSof8wwl3pR3+Mu8h9fpqLlwo4nvV7MW3i NnUIQpSEuDi5MByoCRtFAGmyh5myCCSY5tUKZwPRtnGJLuWOiwzzw4YvpnCNxbj05mQg zZ3xjcfPFTA0ksT6ELqYnwZmGIgzc5iWvPBDTmi3L5l/raDs66ykKER5uzGdLMOX3/Gk 4gjXFN4347PwqkoehvwTeJaAEpJdj2zpJgNtSWxkg8m5Rgrn73DMSuw+0iubNN0vzC6b /qKw== X-Google-Smtp-Source: AJdET5fbf5V0Ydlq8wMOhTyby2SzmuPQM7mnUTR1SsYy9WXPx2SMZDGWG7EF0a46EpXzZq0230Srng== X-Received: by 2002:a62:4886:: with SMTP id q6mr2284395pfi.182.1542296869041; Thu, 15 Nov 2018 07:47:49 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.97.233]) by smtp.gmail.com with ESMTPSA id i88-v6sm59478434pfi.66.2018.11.15.07.47.43 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 15 Nov 2018 07:47:48 -0800 (PST) Date: Thu, 15 Nov 2018 21:21:13 +0530 From: Souptick Joarder <jrdr.linux@gmail.com> 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 8/9] xen/gntdev.c: Convert to use vm_insert_range Message-ID: <20181115155113.GA28021@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) 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Use vm_insert_range
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expand
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diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index b0b02a5..430d4cb 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -1084,7 +1084,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) int index = vma->vm_pgoff; int count = vma_pages(vma); struct gntdev_grant_map *map; - int i, err = -EINVAL; + int err = -EINVAL; if ((vma->vm_flags & VM_WRITE) && !(vma->vm_flags & VM_SHARED)) return -EINVAL; @@ -1145,12 +1145,9 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) goto out_put_map; if (!use_ptemod) { - for (i = 0; i < count; i++) { - err = vm_insert_page(vma, vma->vm_start + i*PAGE_SIZE, - map->pages[i]); - if (err) - goto out_put_map; - } + err = vm_insert_range(vma, vma->vm_start, map->pages, count); + if (err) + goto out_put_map; } else { #ifdef CONFIG_X86 /*