[Devel] [PATCH RH7] ve/pid: Export kernel.pid_max via ve cgroup

[Cyrill Gorcunov]

On Tue, Jul 19, 2016 at 02:26:06PM +0300, Pavel Tikhomirov wrote:
> 
> 
> On 07/19/2016 02:17 PM, Cyrill Gorcunov wrote:
> > On Tue, Jul 19, 2016 at 02:00:20PM +0300, Pavel Tikhomirov wrote:
> > > This member represents kernel.pid_max sysctl it is vz-specific but
> > > lays on pid namespace. To be able to c/r from libvzctl script it is
> > > better put pid_max in ve cgroup, these way we do not need to enter
> > > container root pid namespace to get/set these sysctl.
> > 
> > Wait, kernel.pid_max is not ve-specific (see kernel/sysctl.c in
> > vanilla kernel). Why do we have to c/r it at all?
> 
> It is virtualized only in VZ7(see proc_dointvec_pidmax), so in mainstream it
> is global sysctl unlike our case.

Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>

p.s. I'm not really follow why this feature is needed in container
at all, i mean the @pid_max virtualization. Presume due to hist. reasons.