[Devel] Re: [PATCH v5 3/3] cgroups: make procs file writable

[Ben Blum]

On Fri, Dec 24, 2010 at 01:34:06PM -0800, David Rientjes wrote:
> On Fri, 24 Dec 2010, Ben Blum wrote:
> 
> > Oh, also, most (not all) times that NODEMASK_ALLOC is used in cpusets,
> > cgroup_mutex is also held. So how about just using static storage for
> > them? (There could be a new macro "NODEMASK_ALLOC_STATIC", for use when
> > the caller can never race against itself.) As long as the call-graph
> > isn't recursive, there shouldn't be a problem...
> > 
> 
> Yes, that sounds good but I'd suggest using it only when dynamic 
> allocation cannot be done with GFP_KERNEL to avoid the waste.

I'll add a patch to my current series to do this. Should I leave alone
the other cases where an out-of-memory causes a silent failure?
(cpuset_change_nodemask, scan_for_empty_cpusets)

-- Ben
_______________________________________________
Containers mailing list
Containers at lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/containers