References: runtime.logHeapArenaBytes

const runtime.logHeapArenaBytes

5 uses

	runtime (current package)
		malloc.go#L252: 	heapArenaBytes = 1 << logHeapArenaBytes
		malloc.go#L259: 	logHeapArenaBytes = (6+20)*(_64bit*(1-goos.IsWindows)*(1-goarch.IsWasm)*(1-goos.IsIos*goarch.IsArm64)) + (2+20)*(_64bit*goos.IsWindows) + (2+20)*(1-_64bit) + (9+10)*goarch.IsWasm + (2+20)*goos.IsIos*goarch.IsArm64
		malloc.go#L288: 	arenaL2Bits = heapAddrBits - logHeapArenaBytes - arenaL1Bits
		malloc.go#L580: 			topBits := (randHeapAddrBits - logHeapArenaBytes)
		mheap.go#L1612: 				bits := logHeapArenaBytes - logPallocChunkBytes

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)