Messages in this thread | | | Date | Sun, 17 Mar 2013 15:09:36 +0000 | From | Mel Gorman <> | Subject | Re: [PATCH 03/10] mm: vmscan: Flatten kswapd priority loop |
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On Sun, Mar 17, 2013 at 07:36:22AM -0700, Andi Kleen wrote: > Mel Gorman <mgorman@suse.de> writes: > > > > To avoid infinite looping for high-order allocation requests kswapd will > > not reclaim for high-order allocations when it has reclaimed at least > > twice the number of pages as the allocation request. > > Will this make higher order allocations fail earlier? Or does compaction > still kick in early enough. >
Compaction should still kick in early enough. The impact it might have is that direct reclaim/compaction may be used more than it was in the past.
-- Mel Gorman SUSE Labs
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