[PATCH] mm: remove the redundancy code

[Su Hui]

remove the redundancy code, the zone_start_pfn
is assigned from zone->zone_start_pfn
Signed-off-by: Su Hui <sh_def@xxxxxxx>
---
 mm/page_alloc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3c4eb750a199..3372a8c9fbc4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6215,8 +6215,6 @@ void __meminit init_currently_empty_zone(struct zone *zone,
 	if (zone_idx > pgdat->nr_zones)
 		pgdat->nr_zones = zone_idx;
 
-	zone->zone_start_pfn = zone_start_pfn;
-
 	mminit_dprintk(MMINIT_TRACE, "memmap_init",
 			"Initialising map node %d zone %lu pfns %lu -> %lu\n",
 			pgdat->node_id,
-- 
2.25.1