mm/page_alloc.c: remove unused struct zone *z variable

Remove unused struct zone *z variable which appeared in 86051ca5eaf5
("mm: fix usemap initialization").

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7ca3fe6ef92de97040012ff97a983fefb55aba54..63358d9f9aa98eff0848879b0503b5d80b9ea8d0 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4490,7 +4490,6 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
        unsigned long end_pfn = start_pfn + size;
        pg_data_t *pgdat = NODE_DATA(nid);
        unsigned long pfn;
-       struct zone *z;
        unsigned long nr_initialised = 0;
 
        if (highest_memmap_pfn < end_pfn - 1)
@@ -4503,7 +4502,6 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
        if (altmap && start_pfn == altmap->base_pfn)
                start_pfn += altmap->reserve;
 
-       z = &pgdat->node_zones[zone];
        for (pfn = start_pfn; pfn < end_pfn; pfn++) {
                /*
                 * There can be holes in boot-time mem_map[]s