On Dec 5, 2011, at 8:12 AM, Adrian Chadd wrote: > On 5 December 2011 23:09, Stefan Bethke <stb at lassitu.de> wrote: >> Stupid question: what are those 8 MB used for? Why can't they be made available? > > The kernel is 5MB, the rest is housekeeping. The early wired pages are part of that housekeeping, as are kernel symbols. Warner