From: Baoquan He Date: Wed, 24 Feb 2021 20:06:24 +0000 (-0800) Subject: mm: remove unneeded local variable in free_area_init_core X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9699ee7b2984c612ec3b45c1f7b963daebec3d6c;p=linux.git mm: remove unneeded local variable in free_area_init_core Local variable 'zone_start_pfn' is not needed since there's only one call site in free_area_init_core(). Let's remove it and pass zone->zone_start_pfn directly to init_currently_empty_zone(). Link: https://lkml.kernel.org/r/20210122135956.5946-6-bhe@redhat.com Signed-off-by: Baoquan He Reviewed-by: Mike Rapoport Reviewed-by: David Hildenbrand Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 56a59f5b4fc23..35e230cadb941 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6927,7 +6927,6 @@ static void __init free_area_init_core(struct pglist_data *pgdat) for (j = 0; j < MAX_NR_ZONES; j++) { struct zone *zone = pgdat->node_zones + j; unsigned long size, freesize, memmap_pages; - unsigned long zone_start_pfn = zone->zone_start_pfn; size = zone->spanned_pages; freesize = zone->present_pages; @@ -6976,7 +6975,7 @@ static void __init free_area_init_core(struct pglist_data *pgdat) set_pageblock_order(); setup_usemap(zone); - init_currently_empty_zone(zone, zone_start_pfn, size); + init_currently_empty_zone(zone, zone->zone_start_pfn, size); memmap_init_zone(zone); } }