On Mon, 15 Oct 2012 19:30:03 +0400 Stanislav Kinsbursky <skinsbursky at parallels.com> wrote: > It can be equal to NULL. > Please write better changelogs, so people do not have to ask questions such as: - Under what conditions does this bug trigger? - In which kernel version(s)? - Is it a post-3.6 regression? Thanks.