Changes

Jump to navigation Jump to search
152 bytes removed ,  04:39, 24 October 2019
no edit summary
Line 37: Line 37:  
* Currently only MAP_PRIVATE | MAP_ANONYMOUS is supported. Newer kernels (4.11+) allow userfaultfd for hugetlbfs and shared memory, yet to be implemented in CRIU.
 
* Currently only MAP_PRIVATE | MAP_ANONYMOUS is supported. Newer kernels (4.11+) allow userfaultfd for hugetlbfs and shared memory, yet to be implemented in CRIU.
 
* Userfault is known not to map one page into two places. Thus -- COW-ed pages will get COW-ed.
 
* Userfault is known not to map one page into two places. Thus -- COW-ed pages will get COW-ed.
* The [[Lazy migration]] use-case might be racy because there is no means to synchronize between pending forks, remote pages transfers and page faults.
      
== See also ==
 
== See also ==
60

edits

Navigation menu