From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by kanga.kvack.org (Postfix) with ESMTP id 6D2856B6200 for ; Sun, 2 Dec 2018 01:24:34 -0500 (EST) Received: by mail-pf1-f200.google.com with SMTP id b17so8282528pfc.11 for ; Sat, 01 Dec 2018 22:24:34 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id l30sor249264plg.17.2018.12.01.22.24.33 for (Google Transport Security); Sat, 01 Dec 2018 22:24:33 -0800 (PST) Date: Sun, 2 Dec 2018 11:58:17 +0530 From: Souptick Joarder Subject: [PATCH v2 9/9] xen/privcmd-buf.c: Convert to use vm_insert_range Message-ID: <20181202062816.GA3256@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: 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 Convert to use vm_insert_range() to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox Reviewed-by: Boris Ostrovsky --- 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