rem: store->committed_size = size;
add: store->vm.committed_size = size;
context: anonymous_commit(struct vm_store *store, off_t size){	// Check to see how much we could commit - we need real memory	if (size > store->committed_size) {		// try to commit		if (vm_try_reserve_memory(size - store->committed_size) != B_OK)			return B_NO_MEMORY;				store->committed_size = size;	} else {		// we can release some		vm_unreserve_memory(store->committed_size - size);	}	return B_OK;}