The quilt patch titled Subject: mm/vmscan: reclaim only affects managed_zones has been removed from the -mm tree. Its filename was mm-vmscan-reclaim-only-affects-managed_zones.patch This patch was dropped because it was merged into mm-stable ------------------------------------------------------ From: Wei Yang <richard.weiyang@xxxxxxxxx> Subject: mm/vmscan: reclaim only affects managed_zones As mentioned in commit 6aa303defb74 ("mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator") , reclaim only affects managed_zones. Let's adjust the code and comment accordingly. Link: https://lkml.kernel.org/r/20220327024101.10378-1-richard.weiyang@xxxxxxxxx Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Cc: "Huang, Ying" <ying.huang@xxxxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/vmscan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/vmscan.c~mm-vmscan-reclaim-only-affects-managed_zones +++ a/mm/vmscan.c @@ -1031,7 +1031,7 @@ static bool skip_throttle_noprogress(pg_ for (i = 0; i < MAX_NR_ZONES; i++) { struct zone *zone = pgdat->node_zones + i; - if (!populated_zone(zone)) + if (!managed_zone(zone)) continue; reclaimable += zone_reclaimable_pages(zone); @@ -3912,7 +3912,7 @@ static bool pgdat_balanced(pg_data_t *pg } /* - * If a node has no populated zone within highest_zoneidx, it does not + * If a node has no managed zone within highest_zoneidx, it does not * need balancing by definition. This can happen if a zone-restricted * allocation tries to wake a remote kswapd. */ _ Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are mm-vmscan-not-necessary-to-re-init-the-list-for-each-iteration.patch mm-vmscan-filter-empty-page_list-at-the-beginning.patch mm-vmscan-not-use-numa_no_node-as-indicator-of-page-on-different-node.patch