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Date: Tue, 3 Nov 2009 00:35:30 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Minchan Kim <minchan.kim@...il.com> Cc: kosaki.motohiro@...fujitsu.com, "Rafael J. Wysocki" <rjw@...k.pl>, Rik van Riel <riel@...hat.com>, LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCHv2 1/5] vmscan: separate sc.swap_cluster_max and sc.nr_max_reclaim Hi > > @@ -1932,6 +1938,7 @@ static unsigned long balance_pgdat(pg_data_t *pgdat, int order) > > .may_unmap = 1, > > .may_swap = 1, > > > .swap_cluster_max = SWAP_CLUSTER_MAX, > Or add comment in here. > > 'kswapd doesn't want to be bailed out while reclaim.' OK, reasonable. How about this? --- mm/vmscan.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 7fb3435..84e4da0 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1930,6 +1930,10 @@ static unsigned long balance_pgdat(pg_data_t *pgdat, int order) .gfp_mask = GFP_KERNEL, .may_unmap = 1, .may_swap = 1, + /* + * kswapd doesn't want to be bailed out while reclaim. because + * we want to put equal scanning pressure on each zone. + */ .nr_to_reclaim = ULONG_MAX, .swappiness = vm_swappiness, .order = order, -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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