On 06/26/2012 06:11 PM, Johannes Weiner wrote:
I find the warning message a bit terse. Maybe include something like
"restructure the cgroup directory structure to match your accounting
requirements or complain to (linux-mm, cgroups list etc.) if not
possible"
How about:
WARN_ONCE(!parent_memcg && memcg->use_hierarchy,
"Non-hierarchical memcg is considered for deprecation\n"
"Please consider reorganizing your tree to work with hierarchical
accounting\n"
"If you have any reason not to, let us know at
cgroups@xxxxxxxxxxxxxxx\n");
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