[PATCH 12/26] pvr2fb: Convert pvr2fb_write() to use get_user_pages_fast()
From: Jan Kara <jack@suse.cz>
Date: 2013-10-02 14:31:33
Also in:
linux-mm, lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
CC: linux-fbdev@vger.kernel.org CC: Tomi Valkeinen <redacted> CC: Jean-Christophe Plagniol-Villard <redacted> Signed-off-by: Jan Kara <jack@suse.cz> --- 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