Eric W. Biederman wrote: > Masahiko Takahashi <masahiko at linux-foundation.org> writes: > >> Hi everyone, >> >> I would like to post a small patch that implements pipe checkpoint >> and restart functionality. >> >> The patch supports pipe buffers used with splice/vmsplice systemcall. >> Usually, spliced buffers' pages are in memory cache because their data >> are read from an filesystem. However the patch doesn't treat buffers' >> pages as cached memory when restoring. If trying to treat as cached >> memory, each buffer's page should be tagged with its filename when >> checkpointing. This is not a difficult implementation, but I'm still >> wondering this is worth implementing... > > Rewind a little bit please. I can clearly see where checkpoint/restart > fit into the containers conversation. > > However I don't see where this checkpoint/restart patchset fits into > the checkpoint restart picture. it is a RFC ... > > What ideas are you trying to discuss? > > I will say that I am not yet convinced that we need the kernel saving > and restoring the checkpoint. I don't get it, do you mean checkpoint/restart should be done in userspace ? or simply checkpoint/restart is useless ?
