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SubjectRe: [RFC][PATCH 7/8] memcg soft limit LRU reorder
* KAMEZAWA Hiroyuki <> [2009-03-27 14:12:25]:

> From: KAMEZAWA Hiroyuki <>
> This patch adds a function to change the LRU order of pages in global LRU
> under control of memcg's victim of soft limit.
> FILE and ANON victim is divided and LRU rotation will be done independently.
> (memcg which only includes FILE cache or ANON can exists.)
> The routine finds specfied number of pages from memcg's LRU and
> move it to top of global LRU. They will be the first target of shrink_xxx_list.

This seems to be the core of the patch, but I don't like this very
much. Moving LRU pages of the mem cgroup seems very subtle, why can't
we directly use try_to_free_mem_cgroup_pages()?


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