[CRIU] [PATCH v2 0/3] Process Migration using Sockets

[Mike Rapoport]

On Wed, Aug 03, 2016 at 11:46:24PM +0000, Katerina Koukiou wrote:
> Changes v1 -> v2:
>  -rearranged the patches so that the one that adds the implementation required
>  to enable the remote option comes first.
>  -rebased patches to criu-dev and not master branch as the previous time
>  -fixed the changes suggested by Mike Rapoport.
> 
> Note: In criu/mem.c I needed to skip the following check when --remote
> option is provided, because it resulted in error.
> 
> if (page_is_zero(at[pfn])) {
> 	ret = page_pipe_add_hole(pp, vaddr, PP_HOLE_ZERO);
> 	pages[0]++;
> }
> ,is that ok?

I afraid no :)
Can you elaborate what was the error?
I believe it may be related to the changes you've made to criu/pagemap.c,
so that get_pagemap does not properly treat zero holes...
 
> 
> Katerina Koukiou (3):
>   mem: implement image proxy/image cache
>   mem: Introduce image-proxy/image-cache & remote option
>   test: Add testcases for image-proxy/image-cache
> 
>  criu/Makefile.crtools           |   4 +
>  criu/cr-dump.c                  |  17 +
>  criu/crtools.c                  |  30 +-
>  criu/image-desc.c               |   4 +-
>  criu/image.c                    |  26 +-
>  criu/img-cache.c                | 170 ++++++++++
>  criu/img-proxy.c                | 119 +++++++
>  criu/img-remote-proto.c         | 697 ++++++++++++++++++++++++++++++++++++++++
>  criu/img-remote.c               | 279 ++++++++++++++++
>  criu/include/cr_options.h       |   3 +
>  criu/include/image.h            |   1 +
>  criu/include/img-remote-proto.h |  84 +++++
>  criu/include/protobuf-desc.h    |   4 +
>  criu/mem.c                      |   2 +-
>  criu/page-xfer.c                |  26 +-
>  criu/pagemap.c                  |  75 +++--
>  criu/protobuf-desc.c            |   1 +
>  images/Makefile                 |   1 +
>  images/remote-image.proto       |  20 ++
>  test/proxy-cache/Makefile       |  29 ++
>  test/proxy-cache/loop.sh        |   8 +
>  test/proxy-cache/run.sh         | 106 ++++++
>  22 files changed, 1673 insertions(+), 33 deletions(-)
>  create mode 100644 criu/img-cache.c
>  create mode 100644 criu/img-proxy.c
>  create mode 100644 criu/img-remote-proto.c
>  create mode 100644 criu/img-remote.c
>  create mode 100644 criu/include/img-remote-proto.h
>  create mode 100644 images/remote-image.proto
>  create mode 100644 test/proxy-cache/Makefile
>  create mode 100755 test/proxy-cache/loop.sh
>  create mode 100755 test/proxy-cache/run.sh
> 
> -- 
> 2.7.3
>