Messages in this thread | | | Date | Wed, 27 Jul 2011 13:16:50 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH v4 00/10] Prevent LRU churning |
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On Mon, 4 Jul 2011 23:04:33 +0900 Minchan Kim <minchan.kim@gmail.com> wrote:
> Test result is following as. > > 1) Elapased time 10GB file decompressed. > Old inorder inorder + pagevec flush[10/10] > 01:47:50.88 01:43:16.16 01:40:27.18 > > 2) failure of inorder lru > For test, it isolated 375756 pages. Only 45875 pages(12%) are put backed to > out-of-order(ie, head of LRU) Others, 329963 pages(88%) are put backed to in-order > (ie, position of old page in LRU).
I'm getting more and more worried about how complex MM is becoming and this patchset doesn't take us in a helpful direction :(
But it's hard to argue with numbers like that. Please respin patches 6-10?
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