which is the wrapper around the vm.swap_objects sysctl, same as
kinfo_getvmobject(3) wraps vm.objects.
Submitted by: Yoshihiro Ota
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D29754
examined via 'vmstat -o'. It can be used to determine which files are
using physical pages of memory and how much each is using.
Differential Revision: https://reviews.freebsd.org/D2277
Reviewed by: alc, kib
MFC after: 2 weeks
Sponsored by: Norse Corp, Inc. (forward porting to HEAD/10)