On 07/24/2013 02:29 PM, K. Y. Srinivasan wrote: > /* > - * Wait for the memory block to be onlined. > - * Since the hot add has succeeded, it is ok to > - * proceed even if the pages in the hot added region > - * have not been "onlined" within the allowed time. > + * Before proceeding to hot add the next segment, > + * online the segment that has been hot added. > */ > - wait_for_completion_timeout(&dm_device.ol_waitevent, 5*HZ); > + online_memory_block(start_pfn); Ahhhhh.... You've got a timeout in the code in order to tell the hypervisor that you were successfully able to add the memory? The userspace addition code probably wasn't running within this timeout period. right? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>