[RFC][ for -mm] memory controller enhancements for NUMA [10/10] per-zone-lru

KAMEZAWA Hiroyuki kamezawa.hiroyu at jp.fujitsu.com
Thu Nov 15 03:36:45 PST 2007


On Wed, 14 Nov 2007 17:57:37 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com> wrote:

> I think there is a consensus that memory controller needs per-zone lru.
> But it was postphoned that it seems some people tries to modify lru of zones.
> 
> Now, "scan" value, in mem_cgroup_isolate_pages(), handling is fixed. So,
> demand of implementing per-zone-lru is raised.
> 
> This patch implements per-zone lru for memory cgroup.
> I think this patch's style implementation can be adjusted to zone's lru 
> implementation changes if happens.
>

I noticed this patch doesn't handle memory migration in sane way.
I will fix in the next version.

-Kame




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