On Wed, Dec 12, 2012 at 04:43:35PM -0500, Johannes Weiner wrote: > In certain cases (kswapd reclaim, memcg target reclaim), a fixed > minimum amount of pages is scanned from the LRU lists on each > iteration, to make progress. > > Do not make this minimum bigger than the respective LRU list size, > however, and save some busy work trying to isolate and reclaim pages > that are not there. > > Signed-off-by: Johannes Weiner <[email protected]>
This looks like a corner case where the LRU size would have to be smaller than SWAP_CLUSTER_MAX. Is that common enough to care? It looks correct, I'm just curious. Acked-by: Mel Gorman <[email protected]> -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
