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 <bhe@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Baoquan He 2021-02-24 12:06:24 -08:00 committed by Linus Torvalds
parent 7010a6eca4
commit 9699ee7b29

View file

@ -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);
}
}