x86: remove debug code from arch_add_memory()

Impact: remove incorrect WARN_ON(1)

Gets rid of dmesg spam created during physical memory hot-add which
will very likely confuse users.  The change removes what appears to
be debugging code which I assume was unintentionally included in:

  x86: arch/x86/mm/init_64.c printk fixes
  commit 10f22dde556d1ed41d55355d1fb8ad495f9810c8

Signed-off-by: Gary Hade <garyhade@us.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index ebe1811..9db01db 100644 (file)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -858,7 +858,7 @@ int arch_add_memory(int nid, u64 start, u64 size)
                max_pfn_mapped = last_mapped_pfn;
 
        ret = __add_pages(zone, start_pfn, nr_pages);
-       WARN_ON(1);
+       WARN_ON_ONCE(ret);
 
        return ret;
 }