Messages in this thread Patch in this message | | | Date | Fri, 04 Feb 2005 11:56:25 +1100 | From | Nick Piggin <> | Subject | Re: 2.6.10: kswapd spins like crazy |
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Nick Piggin wrote:
> Hmm, your DMA zone has no active pages, and pages_scanned (which > triggers all_unreclaimable) > is only incremented when scanning the active list. But I wonder, if the > pages can't be > freed, why aren't they being put on the active list?
Oh, attached should be a minimal fix if you would like to try it out.
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linux-2.6-npiggin/mm/vmscan.c | 1 + 1 files changed, 1 insertion(+)
diff -puN mm/vmscan.c~vmscan-minfix mm/vmscan.c --- linux-2.6/mm/vmscan.c~vmscan-minfix 2005-02-04 11:52:37.000000000 +1100 +++ linux-2.6-npiggin/mm/vmscan.c 2005-02-04 11:53:32.000000000 +1100 @@ -575,6 +575,7 @@ static void shrink_cache(struct zone *zo nr_taken++; } zone->nr_inactive -= nr_taken; + zone->pages_scanned += nr_scan; spin_unlock_irq(&zone->lru_lock); if (nr_taken == 0) _
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