From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f51.google.com (mail-pb0-f51.google.com [209.85.160.51]) by kanga.kvack.org (Postfix) with ESMTP id D3C739C0007 for ; Wed, 2 Oct 2013 10:29:06 -0400 (EDT) Received: by mail-pb0-f51.google.com with SMTP id jt11so945343pbb.24 for ; Wed, 02 Oct 2013 07:29:06 -0700 (PDT) From: Jan Kara 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> In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> References: <1380724087-13927-1-git-send-email-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: LKML Cc: linux-mm@kvack.org, Jan Kara , linux-fbdev@vger.kernel.org, Tomi Valkeinen , Jean-Christophe Plagniol-Villard 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org