On Wed, 20 Oct 2010 12:21:44 +0900
KAMEZAWA Hiroyuki <[email protected]> wrote:

> 
> One bug fix here.
> ==
> From: KAMEZAWA Hiroyuki <[email protected]>
> 
> Now, at calculating dirty limit, vm_dirty_param() is called.
> This function returns dirty-limit related parameters considering
> memory cgroup settings.
> 
> Now, assume that vm_dirty_bytes=100M (global dirty limit) and
> memory cgroup has 1G of pages and 40 dirty_ratio, dirtyable memory is
> 500MB.
> 
> In this case, global_dirty_limits will consider dirty_limt as
> 500 *0.4 = 200MB. This is bad...memory cgroup is not back door.
> 
> This patch limits the return value of vm_dirty_param() considring
> global settings.
> 
> 

Sorry, this one is buggy. I'll post a new one later.

Thanks,
-Kame

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