[PATCH v3 2/4] mm: Move nr_deactivate accounting to shrink_active_list()

[Kirill Tkhai]

We know which LRU is not active.

Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com>
Reviewed-by: Daniel Jordan <daniel.m.jor...@oracle.com>
---
 mm/vmscan.c |   10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 84542004a277..8d7d55e71511 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2040,12 +2040,6 @@ static unsigned move_active_pages_to_lru(struct lruvec 
*lruvec,
                }
        }
 
-       if (!is_active_lru(lru)) {
-               __count_vm_events(PGDEACTIVATE, nr_moved);
-               count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE,
-                                  nr_moved);
-       }
-
        return nr_moved;
 }
 
@@ -2137,6 +2131,10 @@ static void shrink_active_list(unsigned long nr_to_scan,
 
        nr_activate = move_active_pages_to_lru(lruvec, &l_active, &l_hold, lru);
        nr_deactivate = move_active_pages_to_lru(lruvec, &l_inactive, &l_hold, 
lru - LRU_ACTIVE);
+
+       __count_vm_events(PGDEACTIVATE, nr_deactivate);
+       __count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE, nr_deactivate);
+
        __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken);
        spin_unlock_irq(&pgdat->lru_lock);