All these are basically boolean flags, use a bitfield to save a few
bytes.
Suggested-by: NBorislav Petkov <bp@amd64.org>
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-vsevd5g8lhcn129n3s7trl7r@git.kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>