[CRIU] [PATCH RFC 0/3] page-pipe: allow to handle pipes in batch mode

[Andrew Vagin]

Sorry, pls ignore this series. It contains wrong patches.

On Mon, Jan 27, 2014 at 05:38:46PM +0400, Andrey Vagin wrote:
> The problem is that vmsplice() to a big pipe fails very often.
> 
> The kernel allocates the linear chunk of memory for pipe buffer
> descriptos, but big allocation in kernel can fail.
> 
> So we need to restrict maximal capacity of pipes. But the number of
> pipes is restricted too, so we need to dump memory in a batch mode.
> 
> TODO: * send all pipes to parasite in one request
>       * rework pre-dump to use sys_process_vm_readv()
> 
> Cc: Cyrill Gorcunov <gorcunov at openvz.org>
> CC: Pavel Emelyanov <xemul at parallels.com>
> Signed-off-by: Andrey Vagin <avagin at openvz.org>