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authorBaoquan He <bhe@redhat.com>2021-02-24 12:06:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-24 13:38:31 -0800
commit9699ee7b2984c612ec3b45c1f7b963daebec3d6c (patch)
tree4be927933738928dae7af077a61cf0742eabf064 /mm/page_alloc.c
parent7010a6eca49fc4a5a50f491342f08ddaa087ff07 (diff)
downloadlinux-9699ee7b2984c612ec3b45c1f7b963daebec3d6c.tar.bz2
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>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 56a59f5b4fc2..35e230cadb94 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);
}
}