On Mon, Feb 01, 2016 at 08:55:17PM -0500, Insu Yun wrote: > When error occurs, it needs to unmap page.
Point, but... I'm not sure there's any point in keeping it mapped all along. After all, what we are doing is a bunch of memcpy() into the parts of page, so kmap_atomic()/kunmap_atomic() just around memcpy would do just fine.
