Re: 2.6.23-rc8-mm1 - powerpc memory hotplug link failure

[KAMEZAWA Hiroyuki]

On Wed, 26 Sep 2007 10:32:05 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> Maybe my patch is the problem. could you give me your .config ?
> 
Ah, memory hot remove is selectable even if the arch doesn't support it....sorry.

ok, this is fix.

Thanks,
-Kame
==
MEMORY_HOTREMOVE config option is selectable even it arch doesn't support it.
This fix it.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>


Index: linux-2.6.23-rc8-mm1/arch/ia64/Kconfig
===================================================================
--- linux-2.6.23-rc8-mm1.orig/arch/ia64/Kconfig
+++ linux-2.6.23-rc8-mm1/arch/ia64/Kconfig
@@ -305,6 +305,9 @@ config HOTPLUG_CPU
 config ARCH_ENABLE_MEMORY_HOTPLUG
 	def_bool y
 
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+	def_bool y
+
 config SCHED_SMT
 	bool "SMT scheduler support"
 	depends on SMP
Index: linux-2.6.23-rc8-mm1/mm/Kconfig
===================================================================
--- linux-2.6.23-rc8-mm1.orig/mm/Kconfig
+++ linux-2.6.23-rc8-mm1/mm/Kconfig
@@ -141,7 +141,7 @@ config MEMORY_HOTPLUG_SPARSE
 
 config MEMORY_HOTREMOVE
 	bool "Allow for memory hot remove"
-	depends on MEMORY_HOTPLUG
+	depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE
 	depends on MIGRATION
 
 # Heavily threaded applications may benefit from splitting the mm-wide

-
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