[PATCH 1/2] mm/vmscan: reclaim only affects managed_zones

Wei Yang
2022-03-27T02:41:31Z

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.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
mm/vmscan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 7ad54b770bb1..89745cf34386 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1031,7 +1031,7 @@ static bool skip_throttle_noprogress(pg_data_t *pgdat)
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 *pgdat, int order, int highest_zoneidx)
}

/*
- * 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.
*/
--
2.33.1