Re: [RFC PATCH 0/2] Removal of lumpy reclaim
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On 04/06/2012 04:31 PM, Hugh Dickins wrote:
On Fri, 6 Apr 2012, Andrew Morton wrote:On Wed, 28 Mar 2012 17:06:21 +0100 Mel Gorman<mgorman@xxxxxxx> wrote:(cc'ing active people in the thread "[patch 68/92] mm: forbid lumpy-reclaim in shrink_active_list()") In the interest of keeping my fingers from the flames at LSF/MM, I'm releasing an RFC for lumpy reclaim removal.I grabbed them, thanks.I do have a concern with this: I was expecting lumpy reclaim to be replaced by compaction, and indeed it is when CONFIG_COMPACTION=y. But when CONFIG_COMPACTION is not set, we're back to 2.6.22 in relying upon blind chance to provide order>0 pages.
Is this an issue for any architecture? I could see NOMMU being unable to use compaction, but chances are lumpy reclaim would be sufficient for that configuration, anyway... -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>