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SubjectRe: [-mm PATCH 0/7] Memory controller introduction
Balbir Singh wrote:
> Resending with the patch numbering fixed and linux-mm copied
>
> This patchset implements another version of the memory controller. These
> patches have been through a big churn, the first set of patches were posted
> last year and earlier this year at
> http://lkml.org/lkml/2007/2/19/10
>
> Ever since, the RSS controller has been through four revisions, the latest
> one being
> http://lwn.net/Articles/236817/
>
> This patchset draws from the patches listed above and from some of the
> contents of the patches posted by Vaidyanathan for page cache control.
> http://lkml.org/lkml/2007/6/20/92
>
> Pavel, Vaidy could you look at the patches and add your signed off by
> where relevant?

As far as I remember at OLS we decided to implement per-zone RLU
lists and reuse the lru lock as well. This will remove all the
problems with per-container lists inconsistency.

Separate limits for RSS and RSS+pagecache are also a must.

BTW, if you send smb. else's patches you may include a 'From: xxx'
line into the letter to address the original author.

> At OLS, the resource management BOF, it was discussed that we need to manage
> RSS and unmapped page cache together. This patchset is a step towards that
>
> TODO's
>
> 1. Add memory controller water mark support. Reclaim on high water mark
> 2. Add support for shrinking on limit change
> 3. Add per zone per container LRU lists
> 4. Make page_referenced() container aware
> 5. Figure out a better CLUI for the controller
>
> In case you have been using/testing the RSS controller, you'll find that
> this controller works slower than the RSS controller. The reason being
> that both swap cache and page cache is accounted for, so pages do go
> out to swap upon reclaim (they cannot live in the swap cache).
>
> I've test compiled the framework without the controller enabled, tested
> the code on UML and minimally on a power box.
>
> Any test output, feedback, comments, suggestions are welcome!
>
> series
>
> res_counters_infra.patch
> mem-control-setup.patch
> mem-control-accounting-setup.patch
> mem-control-accounting.patch
> mem-control-task-migration.patch
> mem-control-lru-and-reclaim.patch
> mem-control-out-of-memory.patch
>

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