Re: [PATCH 00/10] memcg: per cgroup dirty page accounting

[Balbir Singh]

* Greg Thelen <gthelen@xxxxxxxxxx> [2010-10-03 23:57:55]:

> This patch set provides the ability for each cgroup to have independent dirty
> page limits.
> 
> Limiting dirty memory is like fixing the max amount of dirty (hard to reclaim)
> page cache used by a cgroup.  So, in case of multiple cgroup writers, they will
> not be able to consume more than their designated share of dirty pages and will
> be forced to perform write-out if they cross that limit.
> 
> These patches were developed and tested on mmotm 2010-09-28-16-13.  The patches
> are based on a series proposed by Andrea Righi in Mar 2010.

Hi, Greg,

I see a problem with "    memcg: add dirty page accounting infrastructure".

The reject is

 enum mem_cgroup_write_page_stat_item {
        MEMCG_NR_FILE_MAPPED, /* # of pages charged as file rss */
+       MEMCG_NR_FILE_DIRTY, /* # of dirty pages in page cache */
+       MEMCG_NR_FILE_WRITEBACK, /* # of pages under writeback */
+       MEMCG_NR_FILE_UNSTABLE_NFS, /* # of NFS unstable pages */
 };

I don't see mem_cgroup_write_page_stat_item in memcontrol.h. Is this
based on top of Kame's cleanup.

I am working off of mmotm 28 sept 2010 16:13.


-- 
	Three Cheers,
	Balbir
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