From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754080Ab3JBObd (ORCPT ); Wed, 2 Oct 2013 10:31:33 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49028 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753320Ab3JBO3A (ORCPT ); Wed, 2 Oct 2013 10:29:00 -0400 From: Jan Kara To: LKML Cc: linux-mm@kvack.org, Jan Kara , linux-fbdev@vger.kernel.org, Tomi Valkeinen , Jean-Christophe Plagniol-Villard Subject: [PATCH 12/26] pvr2fb: Convert pvr2fb_write() to use get_user_pages_fast() Date: Wed, 2 Oct 2013 16:27:53 +0200 Message-Id: <1380724087-13927-13-git-send-email-jack@suse.cz> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> References: <1380724087-13927-1-git-send-email-jack@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CC: linux-fbdev@vger.kernel.org CC: Tomi Valkeinen CC: Jean-Christophe Plagniol-Villard Signed-off-by: Jan Kara --- drivers/video/pvr2fb.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c index df07860563e6..31e1345a88a8 100644 --- a/drivers/video/pvr2fb.c +++ b/drivers/video/pvr2fb.c @@ -686,11 +686,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, if (!pages) return -ENOMEM; - down_read(¤t->mm->mmap_sem); - ret = get_user_pages(current, current->mm, (unsigned long)buf, - nr_pages, WRITE, 0, pages, NULL); - up_read(¤t->mm->mmap_sem); - + ret = get_user_pages_fast((unsigned long)buf, nr_pages, WRITE, pages); if (ret < nr_pages) { nr_pages = ret; ret = -EINVAL; -- 1.8.1.4