Re: [LTP] [PATCH v2] mem/oom: fixed a cpuset error

[Mike Frysinger <vapier@gentoo.org>]

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On Saturday 27 April 2013 02:34:49 Zhouping Liu wrote:
> From: "Mike Frysinger" <vapier@gentoo.org>
> > On Saturday 27 April 2013 00:23:14 Zhouping Liu wrote:
> > > sub-cpuset cgroup only contains CPUs or memory in one node, but
> > 
> > only contains -> to only contain
> 
> why 'contain', I think it should be 'contains', isn't it?

when you add the "to", it changes to "contain"

> > > that's not permitted in the special machine. The patch fixed it.
> > 
> > what is a "special machine" ?
> 
> the special machine is that it has such nodes(describe above),
> in which there's only CPUs or memory.
> 
> how about this:
> 
> "that's not permitted in the such above special machine."

i would use:
that's not permitted in the scenario described above.

> > > +		tst_resm(TINFO, "None CPUs in the node%ld", nd);
> > 
> > i think you mean "no" instead of "None"
> > 
> > > +		tst_resm(TINFO, "Only use CPU0 in the cpuset cgroup "
> > > +				"for the special scenario");
> > 
> > what is "the special scenario" ?
> 
> the special scenario is "no CPUs in the node%ld", I think it's clear in log
> message.

when you say "Only use", that's a command to the user.  i think you meant to 
say "Only using".

i think the two messages can be combined into one then:
	tst_resm(TINFO, "No CPUs in node%ld; using only CPU0", nd);

> > >  	mount_mem("cpuset", "cpuset", NULL, CPATH, CPATH_NEW);
> > > 
> > > -	if (is_numa(cleanup) > 0)
> > > -		/* For NUMA system, using the first node for cpuset.mems */
> > > -		write_cpusets(get_a_numa_node(cleanup));
> > > -	else
> > > -		/* For nonNUMA system, using node0 for cpuset.mems */
> > > -		write_cpusets(0);
> > > +
> > > +	/*
> > > +	 * Not any nodes contain memory, so using get_allowed_nodes(NH_MEMS)
> > 
> > "Not any" -> "No"
> 
> it's not that meaning, what I meant here is that there's not any nodes
> contain memory in a NUMA system, Some nodes contain memory, but some nodes
> don't.

ok, so i think you want to say instead:
	Some nodes do not contain memory, ....
-mike

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