[Devel] Re: [RFC][for -mm] memory controller enhancements for reclaiming take2 [5/8] throttling simultaneous callers of try_to_free_mem_cgroup_pages

[KAMEZAWA Hiroyuki]

On Tue, 04 Dec 2007 18:57:22 +0530
Balbir Singh <balbir at linux.vnet.ibm.com> wrote:

> > Adding this kind of controls to global memory allocator/LRU may cause
> > unexpected slow down in application's response time. High-response application
> > users may dislike this. We may need another gfp_flag or sysctl to allow
> > throttling in global.
> > For memory controller, the user sets its memory limitation by himself. He can
> > adjust parameters and the workload. So, I think this throttoling is not so
> > problematic in memory controller as global.
> > 
> > Of course, we can export "do throttoling or not" control in cgroup interface.
> > 
> 
> I think we should export the interface.
> 
Ok, I'll export.

Thanks,
-Kame

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