Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Expland `mymalloc' with malloc + error checking.
Upgrade to 2.9
Remove trailing whitespace.
Upgrade.
Added at/atrm/atq/batch from Linux as hacked by Chris Demetriou.