Re: [PATCH] IB/mlx5: Convert to use vm_map_pages_zero()

From: Jason Gunthorpe
Date: Sun Aug 25 2019 - 15:43:57 EST

On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote:
> First, length passed to mmap is checked explicitly against
> Second, if vma->vm_pgoff is passed as non zero, it would return
> error. It appears like driver is expecting vma->vm_pgoff to
> be passed as 0 always.

? pg_off is not zero