func (s *mspan) refreshPinnerBits() {
	p := s.getPinnerBits()
	if p == nil {
		return
	}

	hasPins := false
	bytes := alignUp(s.pinnerBitSize(), 8)

	// Iterate over each 8-byte chunk and check for pins. Note that
	// newPinnerBits guarantees that pinnerBits will be 8-byte aligned, so we
	// don't have to worry about edge cases, irrelevant bits will simply be
	// zero.

			mod = datap
			break
		}
	}
	if mod == nil {
		throw("methodValueCallFrameObjs is not in a module")
	}
	methodValueCallFrameObjs[0] = stackObjectRecord{
		off:       -int32(alignUp(abiRegArgsType.Size_, 8)), // It's always the highest address local.
		size:      int32(abiRegArgsType.Size_),
		_ptrdata:  int32(abiRegArgsType.PtrBytes),

	} else if minimum > maxPagesPerPhysPage {
		print("runtime: min = ", minimum, "\n")
		throw("min too large")
	}
	// max may not be min-aligned, so we might accidentally truncate to
	// a max value which causes us to return a non-min-aligned value.
	// To prevent this, align max up to a multiple of min (which is always
	// a power of 2). This also prevents max from ever being less than

	}
	return a
}

// takeFromFront takes len bytes from the front of the address range, aligning
// the base to align first. On success, returns the aligned start of the region
// taken and true.
func (a *addrRange) takeFromFront(len uintptr, align uint8) (uintptr, bool) {
	base := alignUp(a.base.addr(), uintptr(align)) + len
	if base > a.limit.addr() {
		return 0, false
	}
	a.base = offAddr{base}
	return base - len, true
}

			if span.spanclass.sizeclass() != 0 {
				throw("GCProg for type that isn't large")
			}
			spaceNeeded := alignUp(unsafe.Sizeof(_type{}), goarch.PtrSize)
			heapBitsOff := spaceNeeded
			spaceNeeded += alignUp(typ.PtrBytes/goarch.PtrSize/8, goarch.PtrSize)
			npages := alignUp(spaceNeeded, pageSize) / pageSize
			var progSpan *mspan
			systemstack(func() {

			n++
		}
		unlock(&mheap_.lock)
	})
	return n
}

func UserArenaClone[T any](s T) T {
	return arena_heapify(s).(T)
}

var AlignUp = alignUp

func BlockUntilEmptyFinalizerQueue(timeout int64) bool {
	return blockUntilEmptyFinalizerQueue(timeout)
}

func FrameStartLine(f *Frame) int {
	return f.startLine
}

		end = firstmoduledata.edata
	}
	if end < firstmoduledata.enoptrbss {
		end = firstmoduledata.enoptrbss
	}
	if end < firstmoduledata.ebss {
		end = firstmoduledata.ebss
	}
	size := alignUp(end-start, _PageSize)
	racecall(&__tsan_map_shadow, start, size, 0, 0)
	racedatastart = start
	racedataend = start + size

	return
}

//go:nosplit
func racefini() {

	// of MiB (generally >= to the huge page size) we
	// won't be calling it too much.
	ask := alignUp(npage, pallocChunkPages) * pageSize

	totalGrowth := uintptr(0)
	// This may overflow because ask could be very large
	// and is otherwise unrelated to h.curArena.base.
	end := h.curArena.base + ask
	nBase := alignUp(end, physPageSize)
	if nBase > h.curArena.end || /* overflow */ end < h.curArena.base {

	return
}

// blockAlignSummaryRange aligns indices into the given level to that
// level's block width (1 << levelBits[level]). It assumes lo is inclusive
// and hi is exclusive, and so aligns them down and up respectively.
func blockAlignSummaryRange(level int, lo, hi int) (int, int) {
	e := uintptr(1) << levelBits[level]
	return int(alignDown(uintptr(lo), e)), int(alignUp(uintptr(hi), e))
}

type pageAlloc struct {

	if *restore {
		// Restore sp saved by cgocallback during
		// unwind of g's stack (see comment at top of file).
		mp := acquirem()
		sched := &mp.g0.sched
		sched.sp = *(*uintptr)(unsafe.Pointer(sched.sp + alignUp(sys.MinFrameSize, sys.StackAlign)))

		// Do the accounting that cgocall will not have a chance to do
		// during an unwind.
		//
		// In the case where a Go call originates from C, ncgo is 0