alc fa0943bb62 Change memguard_fudge() so that it can handle km_max being zero. Not
every platform defines VM_KMEM_SIZE_MAX, and on those platforms km_max
will be zero.

Reviewed by:	mdf
Tested by:	marius
2010-12-14 05:47:35 +00:00
..
2010-12-04 17:41:58 +00:00