| From | Andi Kleen <> | Subject | Re: [PATCH 06/10] mm: vmscan: Have kswapd writeback pages based on dirty pages encountered, not priority | Date | Sun, 17 Mar 2013 07:42:39 -0700 |
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Mel Gorman <mgorman@suse.de> writes:
> @@ -495,6 +495,9 @@ typedef enum { > ZONE_CONGESTED, /* zone has many dirty pages backed by > * a congested BDI > */ > + ZONE_DIRTY, /* reclaim scanning has recently found > + * many dirty file pages > + */
Needs a better name. ZONE_DIRTY_CONGESTED ?
> + * currently being written then flag that kswapd should start > + * writing back pages. > + */ > + if (global_reclaim(sc) && nr_dirty && > + nr_dirty >= (nr_taken >> (DEF_PRIORITY - sc->priority))) > + zone_set_flag(zone, ZONE_DIRTY); > + > trace_mm_vmscan_lru_shrink_inactive(zone->zone_pgdat->node_id,
I suppose you want to trace the dirty case here too.
-Andi -- ak@linux.intel.com -- Speaking for myself only
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