Messages in this thread | | | Date | Wed, 7 May 2008 08:17:12 -0500 | From | "Serge E. Hallyn" <> | Subject | Re: [PATCH 1/8] Scaling msgmni to the amount of lowmem |
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Quoting Nadia Derbey (Nadia.Derbey@bull.net): > Serge E. Hallyn wrote: >> Quoting Luck, Tony (tony.luck@intel.com): >>>> Well, this printk had been suggested by somebody (sorry I don't remember >>>> who) when I first submitted the patch. Actually I think it might be >>>> useful for a sysadmin to be aware of a change in the msgmni value: we >>>> have the message not only at boot time, but also each time msgmni is >>>> recomputed because of a change in the amount of memory. >>> >>> If the message is directed at the system administrator, then it would >>> be nice if there were some more meaningful way to show the namespace >>> that is affected than just printing the hex address of the kernel >>> structure. >>> >>> As the sysadmin for my test systems, printing the hex address is mildly >>> annoying ... I now have to add a new case to my scripts that look at >>> dmesg output for unusual activity. >>> >>> Is there some better "name for a namespace" than the address? Perhaps >>> the process id of the process that instantiated the namespace??? >> I agree with Tony here. Aside from the nuisance it is to see that >> message on console every time I unshare a namespace, a printk doesn't >> seem like the right way to output the info. > > But you agree that this is happening only because you're doing tests > related to namespaces, right?
Yup :)
> I don't think that in a "standard" configuration this will happen very > frequently, but may be I'm wrong. > >> At most I'd say an audit >> message. > > That's a good idea. Thanks, Serge. I'll do that.
It'll probably still end up a printk for me, but it'll be my own fault for not setting up audit.
> Regards, > Nadia
thanks, -serge
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