const runtime.persistentChunkSize

4 uses

	runtime (current package)
		malloc.go#L1899: const persistentChunkSize = 256 << 10
		malloc.go#L1963: 	if persistent.off+size > persistentChunkSize || persistent.base == nil {
		malloc.go#L1964: 		persistent.base = (*notInHeap)(sysAlloc(persistentChunkSize, &memstats.other_sys, "immortal metadata"))
		malloc.go#L2004: 		if p >= chunk && p < chunk+persistentChunkSize {