Only nodes which has state N_DEMOTION_TARGETS should be used as demotion targets, make nodes which are not in demotion targets as source nodes while building demotion target list so that demotion targets are only chosen from N_DEMOTION_TARGETS. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Signed-off-by: Jagdish Gediya <jvgediya@xxxxxxxxxxxxx> --- mm/migrate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 8bbe1e478122..5b92a09fbe4a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2366,10 +2366,10 @@ static void __set_migration_target_nodes(void) disable_all_migrate_targets(); /* - * Allocations go close to CPUs, first. Assume that - * the migration path starts at the nodes with CPUs. + * Some systems can have DRAM(fast memory) only NUMA nodes, demotion targets + * need to be found for them as well. */ - next_pass = node_states[N_CPU]; + nodes_andnot(next_pass, node_states[N_ONLINE], node_states[N_DEMOTION_TARGETS]); again: this_pass = next_pass; next_pass = NODE_MASK_NONE; -- 2.35.1
