[CRIU] [PATCH 5/7] Handle vmsplice failure for read mode pre-dump

[Dmitry Safonov]

On 8/25/19 2:58 AM, Abhishek Dubey wrote:
> vmsplice fails to completely splice 2^k pages
> from user-buffer to ppb pipes. Sometimes last
> page is partially spliced.
> To overcome this, page count for splicing is
> kept 1 less than the size of pipe.

Could you add in the description how-to reproduce it?
It'll give us information when it's safe to drop this work-around.

Thanks,
          Dmitry