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. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Signed-off-by: Jagdish Gediya <jvgediya@xxxxxxxxxxxxx> --- mm/migrate.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 4d3d80ca0a7f..e517a5ab1fcf 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2394,10 +2394,11 @@ 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. + * Pick demotion targets only from node_states[N_DEMOTION_TARGETS] + * so make nodes which are not in demotion targets as source nodes */ - 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
