diff options
Diffstat (limited to 'drivers/video/fb_defio.c')
| -rw-r--r-- | drivers/video/fb_defio.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index c27ab1ed960..44ce908a478 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -71,7 +71,7 @@ int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, int datasync) { struct fb_info *info = file->private_data; - /* Skip if deferred io is complied-in but disabled on this fbdev */ + /* Skip if deferred io is compiled-in but disabled on this fbdev */ if (!info->fbdefio) return 0; @@ -144,7 +144,9 @@ static const struct address_space_operations fb_deferred_io_aops = { static int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma) { vma->vm_ops = &fb_deferred_io_vm_ops; - vma->vm_flags |= ( VM_IO | VM_RESERVED | VM_DONTEXPAND ); + vma->vm_flags |= ( VM_RESERVED | VM_DONTEXPAND ); + if (!(info->flags & FBINFO_VIRTFB)) + vma->vm_flags |= VM_IO; vma->vm_private_data = info; return 0; } |