if in >= 0 {
		c.memoryLimit.Store(in)
	}

	return out
}

//go:linkname setMemoryLimit runtime/debug.setMemoryLimit
func setMemoryLimit(in int64) (out int64) {
	// Run on the system stack since we grab the heap lock.
	systemstack(func() {
		lock(&mheap_.lock)
		out = gcController.setMemoryLimit(in)
		if in < 0 || out == in {
			// If we're just checking the value or not changing