From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andy Whitcroft <apw@shadowen.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Badari Pulavarty <pbadari@gmail.com>
Subject: Re: 2.6.23-rc8-mm1 - powerpc memory hotplug link failure
Date: Wed, 26 Sep 2007 10:48:54 +0900 [thread overview]
Message-ID: <20070926104854.7cc09d13.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20070926103205.c72a8e8a.kamezawa.hiroyu@jp.fujitsu.com>
On Wed, 26 Sep 2007 10:32:05 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> 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@jp.fujitsu.com>
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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next prev parent reply other threads:[~2007-09-26 1:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070925014625.3cd5f896.akpm@linux-foundation.org>
2007-09-25 20:00 ` Kamalesh Babulal
2007-09-25 22:01 ` Badari Pulavarty
2007-09-26 8:18 ` Kamalesh Babulal
2007-09-26 1:32 ` KAMEZAWA Hiroyuki
2007-09-26 1:48 ` KAMEZAWA Hiroyuki [this message]
2007-09-26 8:19 ` Kamalesh Babulal
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