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void creat_vm()
{
int xcHandle = 0;
unsigned char domain_handle[16] = "asdfasdf";
long deltaCushionAtCkPtInMB;
BOOL memoryWasAvailableInBalloon;
unsigned long slackMem = 3;
int store_port;
unsigned int domid = 1;
struct xen_domctl_sched_credit sdom;
TAILQ_INIT(&store_event_hdr);
totalWatches = 0;
mutex_init(&store_mtx, "Store");
uuid_parse("c540f382-07cb-40d0-b573-27ba03fd690f", domain_handle);
xcHandle = xenctl_handle_acquire();
xc_domain_create(xcHandle,ACM_DEFAULT_SSID,domain_handle,XEN_DOMCTL_CDF_hvm_guest,&domid);
store_port = xc_evtchn_alloc_unbound(xcHandle, 1, 0);
xc_domain_max_vcpus(xcHandle, 1,2);
//Ϊdom0Ôö¼ÓÄڴ棬ÒòΪÔö¼ÓÁËdomUºó£¬dom0ÖлáΪÕâ´ÎÔö¼ÓµÄdomU¸¶³öÒ»²¿·ÖÄÚ´æµÄ¿ªÏú¡£ÎªÁ˱£Ö¤dom0ÓÐ×ã¹»µÄÄÚ´æÐèҪΪËüÔö¼ÓÄڴ档֮ϵÄÁ½¸öº¯ÊýΪ×Ô¶¨Ò庯Êý¡£
dmc_ensure_dom0_memory_cushion(jc_errAndLog_get_globalVersion_stdout(), "prep for guest
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