r.VT.RVT.DirtyPagesKeptMappedFrames
VarUnreal Engine Var console variable.
rVTRVTDirtyPagesKeptMappedFrames
Description
When invalidating RVT pages, we keep them mapped if they gave feedback in the last N frames.
Usage
r.VT.RVT.DirtyPagesKeptMappedFrames [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

