Messages in this thread | | | Date | Mon, 19 Mar 2012 16:14:40 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH] mm: forbid lumpy-reclaim in shrink_active_list() |
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On 03/19/2012 04:05 PM, Hugh Dickins wrote: > On Mon, 19 Mar 2012, Rik van Riel wrote:
>> It was done that way, because Mel explained to me that deactivating >> a whole chunk of active pages at once is a desired feature that makes >> it more likely that a whole contiguous chunk of pages will eventually >> reach the end of the inactive list. > > I'm rather sceptical about this: is there a test which demonstrates > a useful effect of that kind?
I am somewhat sceptical too, but since lumpy reclaim is due to be removed anyway, I did not bother to investigate its behaviour in any detail :)
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