From 1f04bbd2d396a701c5af2e5b92bad896c2550c16 Mon Sep 17 00:00:00 2001
From: Yasunori Goto <y-goto@jp.fujitsu.com>
Date: Tue, 27 Jun 2006 02:53:37 -0700
Subject: [PATCH] [PATCH] sparc64: support sparsemem and !memory hotplug

Fix "undefined reference to `arch_add_memory'" on sparc64 allmodconfig.

sparc64 doesn't support memory hotplug.  But we want it to support
sparsemem.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 mm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 66e65ab39426..e76c023eb0bb 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -116,6 +116,7 @@ config SPARSEMEM_EXTREME
 config MEMORY_HOTPLUG
 	bool "Allow for memory hot-add"
 	depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND
+	depends on (IA64 || X86 || PPC64)
 
 comment "Memory hotplug is currently incompatible with Software Suspend"
 	depends on SPARSEMEM && HOTPLUG && SOFTWARE_SUSPEND
-- 
2.39.5