[PATCH 09/16] mm/page_alloc: use local variable zone_idx directly

[Miaohe Lin <linmiaohe@xxxxxxxxxx>]

Use local variable zone_idx directly since it holds the exact value of
zone_idx(). No functional change intended.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 94baf33da865..3417232afa45 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6878,7 +6878,7 @@ void __ref memmap_init_zone_device(struct zone *zone,
 	unsigned long start = jiffies;
 	int nid = pgdat->node_id;
 
-	if (WARN_ON_ONCE(!pgmap || zone_idx(zone) != ZONE_DEVICE))
+	if (WARN_ON_ONCE(!pgmap || zone_idx != ZONE_DEVICE))
 		return;
 
 	/*
-- 
2.23.0