From: Badari Pulavarty <pbadari@gmail.com>
To: kamezawa.hiroyu@jp.fujitsu.com
Cc: linux-mm <linux-mm@kvack.org>
Subject: Hotplug memory remove
Date: Mon, 01 Oct 2007 08:37:43 -0700 [thread overview]
Message-ID: <1191253063.29581.7.camel@dyn9047017100.beaverton.ibm.com> (raw)
Hi,
I am trying to test hotplug memory remove support on ppc64.
I have few questions (sorry if they are stupid), hoping you could
help me.
1) Other than remove_memory(), I don't see any other arch-specific
code that needs to be provided. Even remove_memory() looks pretty
arch independent. Isn't it ?
2) I copied remove_memory() from IA64 to PPC64. When I am testing
hotplug-remove (echo offline > state), I am not able to remove
any memory at all. I get different type of failures like ..
memory offlining 6e000 to 6f000 failed
- OR -
Offlined Pages 0
I am wondering, how did you test it on IA64 ? Am I missing something ?
How can I find which "sections" of the memory are free to remove ?
I am using /proc/page_owner to figure it out for now.
Thanks,
Badari
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next reply other threads:[~2007-10-01 15:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-01 15:37 Badari Pulavarty [this message]
2007-10-01 16:14 ` KAMEZAWA Hiroyuki
2007-10-01 17:49 ` Badari Pulavarty
2007-10-02 0:52 ` KAMEZAWA Hiroyuki
2007-10-02 14:58 ` Badari Pulavarty
2007-10-02 17:17 ` Badari Pulavarty
2007-10-03 1:07 ` KAMEZAWA Hiroyuki
2007-10-05 17:21 ` Mark Gross
2007-10-06 0:41 ` KAMEZAWA Hiroyuki
2007-10-08 19:01 ` Mark Gross
2007-10-09 1:10 ` KAMEZAWA Hiroyuki
2007-10-09 10:51 ` Yasunori Goto
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