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SubjectRe: [patch 0/8] mm: thrash detection-based file cache sizing v5
On 11/12/2013 05:30 AM, Bob Liu wrote:
> Hi Johannes,
>
> On Fri, Oct 11, 2013 at 5:46 AM, Johannes Weiner <hannes@cmpxchg.org> wrote:
>> Future
>>
>> Right now we have a fixed ratio (50:50) between inactive and active
>> list but we already have complaints about working sets exceeding half
>> of memory being pushed out of the cache by simple used-once streaming
>> in the background. Ultimately, we want to adjust this ratio and allow
>> for a much smaller inactive list. These patches are an essential step
>> in this direction because they decouple the VMs ability to detect
>> working set changes from the inactive list size. This would allow us
>> to base the inactive list size on something more sensible, like the
>> combined readahead window size for example.
>>
>
> I found that this patchset have the similar purpose as
> Zcache(http://lwn.net/Articles/562254/) in some way.

Sorry, but that is unrelated.



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