vpage / vregion: a minimal version with a test #22836

Job	Run time
LP64-WIP	3m 51s
build-windows (ptl)	9m 22s
manifest-check	2m 50s
build-windows (lnl)	11m 55s
build-linux (mnfst, imx8 imx8x)	5m 9s
build-windows (tgl)	9m 47s
build-linux (mnfst, lnl)	4m 31s
build-windows (imx8m imx8ulp)	12m 7s
build-linux (mnfst, imx8m imx8ulp)	4m 37s
build-linux (-d, mnfst, lnl)	4m 49s
build-linux (mnfst, tgl)	4m 25s
build-linux (mnfst, mtl)	4m 32s
build-windows (-d, lnl)	10m 37s
build-linux (mnfst, tgl-h)	4m 24s
build-linux (mnfst, wcl imx95)	7m 14s
build-windows (tgl-h)	10m 4s
build-windows (imx8 imx8x)	10m 40s
build-windows (mtl)	9m 25s
build-linux (mnfst, ptl)	5m 29s
compare-linux-win	31s
	2h 16m 19s

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