[CRIU] [PATCH 8/9] vdso: Escape double dumping of rt-vdso if proxy present

[Cyrill Gorcunov]

On Fri, May 24, 2013 at 01:55:20PM +0400, Pavel Emelyanov wrote:
> On 05/24/2013 01:47 PM, Cyrill Gorcunov wrote:
> > On Fri, May 24, 2013 at 01:32:22PM +0400, Pavel Emelyanov wrote:
> >>> +
> >>> +		if (parasite_execute(PARASITE_CMD_CHECK_VDSO_MARK, ctl)) {
> >>
> >> I'm not very happy with going to parasite for every (even pre-checked) vma.
> >> Make it in one go to parasite with an array of vmas.
> > 
> > You mean to walk over all vmas _inside_parasite itsef?
> 
> No. Prepare array of vmas to check in crtools, push it into parasite.
> Look at how dump-pages + vma-reprotect is done.

Hmm. There might be quite a number of vmas in program which exceed the
space allocated for parasite arguments. Pavel, once Andrew finish the
parasite daemon mode the calls for parasite service will be quite cheap.
Maybe it doesn't worth it?