If there is a zone below ZONE_NORMAL has present_pages, we can set
node state to N_NORMAL_MEMORY, no need to loop to end.
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
---
mm/page_alloc.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7f28eb8..8d64ba0 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4671,8 +4671,10 @@ static void check_for_regular_memory(pg_data_t *pgdat)
for (zone_type = 0; zone_type <= ZONE_NORMAL; zone_type++) {
struct zone *zone = &pgdat->node_zones[zone_type];
- if (zone->present_pages)
+ if (zone->present_pages) {
node_set_state(zone_to_nid(zone), N_NORMAL_MEMORY);
+ break;
+ }
}
#endif
}
--
1.7.0.4
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