mm: alloc_large_system_hash() printk overflow on 16TB boot
Robin Holt [Thu, 7 Oct 2010 19:59:26 +0000 (12:59 -0700)]
During boot of a 16TB system, the following is printed:
Dentry cache hash table entries: -2147483648 (order: 22, 17179869184 bytes)

Signed-off-by: Robin Holt <holt@sgi.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/page_alloc.c

index a8cfa9c..f12ad18 100644 (file)
@@ -5182,9 +5182,9 @@ void *__init alloc_large_system_hash(const char *tablename,
        if (!table)
                panic("Failed to allocate %s hash table\n", tablename);
 
-       printk(KERN_INFO "%s hash table entries: %d (order: %d, %lu bytes)\n",
+       printk(KERN_INFO "%s hash table entries: %ld (order: %d, %lu bytes)\n",
               tablename,
-              (1U << log2qty),
+              (1UL << log2qty),
               ilog2(size) - PAGE_SHIFT,
               size);