Re: OOM notifications

[Balbir Singh]

Andrew Morton wrote:
> It get more complicated with NUMA memory nodes and cgroup memory
> controllers.
> 

At OLS this year, users wanted user space notification of OOM
for cgroup memory controller. When a group is about to OOM,
a notification can help an external application re-adjust
memory limits across the system.

Keeping some memory reserved for handling OOM, this scheme could
be extended to handle global OOM conditions as well.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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