[GIT PULL] security: general updates for v4.21

[Linus Torvalds]

On Mon, Dec 24, 2018 at 11:55 AM James Morris <jmorris at namei.org> wrote:
>
> The main changes here are Paul Gortmaker's removal of unneccesary module.h
> infrastructure.

I will point out a merge with a horrible commit message:

    "Sync to Linux 4.20-rc2 for downstream developers"

that tells nobody anything.

Why was that merge done? If you can't explain the merge, just don't do
the merge.

                 Linus