!memusage "Dangling No Commit" meaning

Hi,

Can somebody enlighten me on the meaning of “Dangling No Commit” value in the !memusage 8 output ?

1: kd> !memusage 8
loading PFN database
loading (100% complete)
Compiling memory usage data (99% Complete).
Zeroed: 0 ( 0 kb)
Free: 7 ( 28 kb)
Standby: 129037 ( 516148 kb)
Modified: 6137 ( 24548 kb)
ModifiedNoWrite: 53 ( 212 kb)
Active/Valid: 338181 ( 1352724 kb)
Transition: 312643 ( 1250572 kb)
SLIST/Bad: 243 ( 972 kb)
Unknown: 0 ( 0 kb)
TOTAL: 786301 ( 3145204 kb)

Dangling Yes Commit: 51 ( 204 kb)
Dangling No Commit: 315757 ( 1263028 kb)