[CRIU] [PATCH v4 00/12] lazy-pages: add support for remote pages

[Mike Rapoport]

On Tue, Jun 14, 2016 at 8:50 PM, Andrew Vagin <avagin at virtuozzo.com> wrote:
> Hi Mike and Adrian,
>
> Do you wirte tests for these functionality? If you don't I recomend to
> start ;)

I actually hoped that CI experts like you (and others in Virtuozzo)
will help us with that ;-)

> On Mon, Jun 06, 2016 at 09:27:33AM +0300, Mike Rapoport wrote:
>> Hi,
>>
>> Some fixes, thanks to Adrian.
>>
>> v4 changes:
>> * fixed ppb_alloc_resize to pass nr_pages instead of nr_bytes to fcntl
>> * added removal of ppb's right after they are spliced to socked
>>
>> v3 changes:
>> * fixed initialization of pp->own_iovs, thanks Mr. Jenkins
>>
>> v2 changes:
>> * added helpers to page-xfer to reduce code duplication
>> * modified protocol between dump side page server and lazy pages daemon as
>> per Pavel's comments
>> * some changes in the way parasite_dump_pages_seized is refactored. There's
>> still more to improve here, even without addition of lazy pages support :)
>>
>> TODO:
>> * refactor page-reader to support random access and remote page reads
>> * make lazy-pages non-blocking with respect to #PFs
>> * performance imporvements
>>
>> Mike Rapoport (12):
>>   criu: page-pipe: introduce page_pipe_buf manipulation helpers
>>   criu: page_pipe_buf: add PPB_LAZY flag
>>   criu: page-pipe: introduce page_pipe_split
>>   criu: page-pipe: introduce page_pipe_destroy_ppb
>>   criu: page-xfer: move code aroud
>>   criu: page-xfer: intorduce helpers for sending IOVs
>>   criu: page-xfer: add ability to skip writing lazy pages
>>   criu: page-xfer: add PS_IOV_GET interface
>>   criu: uffd: add --lazy-addr option
>>   criu: slightly refactor memory dump to support delaying it
>>   criu: page-pipe: add ability to allocate IOVs
>>   criu: lazy-pages: enable remoting of lazy pages
>>
>>  criu/cr-dump.c                  |   57 +-
>>  criu/crtools.c                  |    4 +
>>  criu/include/cr_options.h       |    1 +
>>  criu/include/mem.h              |    3 +-
>>  criu/include/page-pipe.h        |   11 +-
>>  criu/include/page-xfer.h        |    4 +-
>>  criu/include/parasite-syscall.h |    1 -
>>  criu/include/pstree.h           |    1 +
>>  criu/mem.c                      |   52 +-
>>  criu/page-pipe.c                |  336 ++++++++++--
>>  criu/page-read.c                |    2 +-
>>  criu/page-xfer.c                | 1107 +++++++++++++++++++++------------------
>>  criu/parasite-syscall.c         |    2 +
>>  criu/shmem.c                    |    4 +-
>>  criu/uffd.c                     |   35 +-
>>  15 files changed, 992 insertions(+), 628 deletions(-)
>>
>> --
>> 1.9.1
>>
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-- 
Sincerely yours,
Mike.