lavd: adjust padding definition on private(LAVD) #2290

Job	Run time
lint	29s
pages	0s
build-kernel	21s
rust-test-schedulers (scx_bpfland)	10m 23s
rust-test-core (scx_loader)	6m 1s
layered-matrix (scx_layered, --disable-topology=false)	3m 27s
integration-test (scx_bpfland)	3m 5s
rust-test-schedulers (scx_lavd)	10m 37s
rust-test-core (scx_rustland_core)	10m 30s
layered-matrix (scx_layered, --disable-topology=true)	3m 32s
rust-test-schedulers (scx_layered)	11m 31s
integration-test (scx_lavd)	4m 17s
rust-test-core (scx_stats)	3m 45s
rust-test-schedulers (scx_rlfifo)	11m 44s
rust-test-core (scx_utils)	12m 9s
integration-test (scx_layered)	4m 14s
rust-test-schedulers (scx_rustland)	13m 27s
integration-test (scx_rlfifo)	2m 53s
rust-test-schedulers (scx_rusty)	11m 0s
integration-test (scx_rustland)	3m 31s
integration-test (scx_rusty)	3m 48s
	2h 10m 44s

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