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userfaultfd.2: Add Linux container migration use-case to NOTES 

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Mike Rapoport 2017-04-25 19:29:07 +03:00 committed by Michael Kerrisk
parent 1a053be3c7
commit 184481665f
1 changed files with 2 additions and 1 deletions
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@ -279,7 +279,8 @@ signal and
It can also be used to implement lazy restore
for checkpoint/restore mechanisms,
as well as post-copy migration to allow (nearly) uninterrupted execution
when transferring virtual machines from one host to another.
when transferring virtual machines and Linux containers
from one host to another.
.SH EXAMPLE
The program below demonstrates the use of the userfaultfd mechanism.
The program creates two threads, one of which acts as the