From 8774cc12ee3a6b0b76dc59f12d30d2d2e8b96b18 Mon Sep 17 00:00:00 2001 From: Wei Yang Date: Thu, 14 Apr 2022 12:16:54 -0700 Subject: [PATCH] mm-vmscan-make-sure-wakeup_kswapd-with-managed-zone-v2 adjust the usage in migrate_balanced_pgdat() Link: https://lkml.kernel.org/r/20220329010901.1654-2-richard.weiyang@gmail.com Signed-off-by: Wei Yang Reviewed-by: "Huang, Ying" Reviewed-by: Miaohe Lin Reviewed-by: David Hildenbrand Cc: Mel Gorman Cc: Oscar Salvador Signed-off-by: Andrew Morton --- mm/migrate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 6598a07df182..96d06b2be5fc 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1981,7 +1981,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, #ifdef CONFIG_NUMA_BALANCING /* * Returns true if this is a safe migration target node for misplaced NUMA - * pages. Currently it only checks the watermarks which crude + * pages. Currently it only checks the watermarks which is crude. */ static bool migrate_balanced_pgdat(struct pglist_data *pgdat, unsigned long nr_migrate_pages) @@ -1991,7 +1991,7 @@ static bool migrate_balanced_pgdat(struct pglist_data *pgdat, for (z = pgdat->nr_zones - 1; z >= 0; z--) { struct zone *zone = pgdat->node_zones + z; - if (!populated_zone(zone)) + if (!managed_zone(zone)) continue; /* Avoid waking kswapd by allocating pages_to_migrate pages. */ -- 2.49.0