Re: [PATCH] mm: vmscan: do not throttle based on pfmemalloc reserves if node has no reclaimable zones
From: Dave Hansen <hidden>
Date: 2015-03-27 20:18:09
Also in:
linux-mm, lkml
From: Dave Hansen <hidden>
Date: 2015-03-27 20:18:09
Also in:
linux-mm, lkml
On 03/27/2015 12:28 PM, Nishanth Aravamudan wrote:
@@ -2585,7 +2585,7 @@ static bool pfmemalloc_watermark_ok(pg_data_t *pgdat) for (i = 0; i <= ZONE_NORMAL; i++) { zone = &pgdat->node_zones[i]; - if (!populated_zone(zone)) + if (!populated_zone(zone) || !zone_reclaimable(zone)) continue; pfmemalloc_reserve += min_wmark_pages(zone);
Do you really want zone_reclaimable()? Or do you want something more direct like "zone_reclaimable_pages(zone) == 0"?