[PATCH] x86: remove debug code from arch_add_memory()

[Gary Hade]

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@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 arch/x86/mm/init_64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index ebe1811..9db01db 100644
--- 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;
 }
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