On Fri, Jun 24, 2011 at 11:44 PM, Mel Gorman <mgorman@xxxxxxx> wrote: > When deciding if kswapd is sleeping prematurely, the classzone is > taken into account but this is different to what balance_pgdat() and > the allocator are doing. Specifically, the DMA zone will be checked > based on the classzone used when waking kswapd which could be for a > GFP_KERNEL or GFP_HIGHMEM request. The lowmem reserve limit kicks in, > the watermark is not met and kswapd thinks its sleeping prematurely > keeping kswapd awake in error. > > Reported-and-tested-by: Pádraig Brady <P@xxxxxxxxxxxxxx> > Signed-off-by: Mel Gorman <mgorman@xxxxxxx> Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx> -- Kind regards, Minchan Kim -- 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