mm/sparse-vmemmap.c: remove unwanted initialization in vmemmap_populate_compound_pages()
authorGautam Menghani <gautammenghani201@gmail.com>
Sun, 12 Jun 2022 18:23:20 +0000 (11:23 -0700)
committerakpm <akpm@linux-foundation.org>
Fri, 17 Jun 2022 02:48:32 +0000 (19:48 -0700)
Remove unnecessary initialization for the variable 'next'.  This fixes
the clang scan warning: Value stored to 'next' during its
initialization is never read [deadcode.DeadStores]

Link: https://lkml.kernel.org/r/20220612182320.160651-1-gautammenghani201@gmail.com
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/sparse-vmemmap.c

index 49cb15c..652f11a 100644 (file)
@@ -737,7 +737,7 @@ static int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn,
 
        size = min(end - start, pgmap_vmemmap_nr(pgmap) * sizeof(struct page));
        for (addr = start; addr < end; addr += size) {
-               unsigned long next = addr, last = addr + size;
+               unsigned long next, last = addr + size;
 
                /* Populate the head page vmemmap page */
                pte = vmemmap_populate_address(addr, node, NULL, NULL);