svn commit: r224516 - in head/sys: amd64/amd64 i386/i386 pc98/pc98

[John Baldwin]

On Jul 30, 2011, at 9:33 AM, Bjoern A. Zeeb wrote:

> Author: bz
> Date: Sat Jul 30 13:33:05 2011
> New Revision: 224516
> URL: http://svn.freebsd.org/changeset/base/224516
> 
> Log:
>  Introduce a tunable to disable the time consuming parts of bootup
>  memtesting, which can easily save seconds to minutes of boot time.
>  The tunable name is kept general to allow reusing the code in
>  alternate frameworks.

Why the 'tmpul' variable?  The TUNABLE_*_FETCH() macros will not modify the parameter
if the environment variable is missing or unparseable.  Lots of places depend on this all over
the kernel already, so you can depend on it here.

-- 
John Baldwin