From: Andrew Morton <akpm@osdl.org>
To: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: tony.luck@intel.com, ak@suse.de, jschopp@austin.ibm.com,
haveblue@us.ibm.com, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH: 012/017](RFC) Memory hotplug for new nodes v.3.
Date: Thu, 09 Mar 2006 12:01:04 +0000 [thread overview]
Message-ID: <20060309040104.6e6f5ccd.akpm@osdl.org> (raw)
In-Reply-To: <20060308213410.003A.Y-GOTO@jp.fujitsu.com>
Yasunori Goto <y-goto@jp.fujitsu.com> wrote:
>
> In current code, zonelist is considered to be build once, no modification.
> But MemoryHotplug can add new zone/pgdat. It must be updated.
>
> This patch modifies build_all_zonelists().
> By this, build_all_zonelist() can reconfig pgdat's zonelists.
>
> To update them safety, this patch use stop_machine_run().
Yup, that's a good way of doing it.
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@osdl.org>
To: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: tony.luck@intel.com, ak@suse.de, jschopp@austin.ibm.com,
haveblue@us.ibm.com, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH: 012/017](RFC) Memory hotplug for new nodes v.3. (rebuild zonelists after online pages)
Date: Thu, 9 Mar 2006 04:01:04 -0800 [thread overview]
Message-ID: <20060309040104.6e6f5ccd.akpm@osdl.org> (raw)
In-Reply-To: <20060308213410.003A.Y-GOTO@jp.fujitsu.com>
Yasunori Goto <y-goto@jp.fujitsu.com> wrote:
>
> In current code, zonelist is considered to be build once, no modification.
> But MemoryHotplug can add new zone/pgdat. It must be updated.
>
> This patch modifies build_all_zonelists().
> By this, build_all_zonelist() can reconfig pgdat's zonelists.
>
> To update them safety, this patch use stop_machine_run().
Yup, that's a good way of doing it.
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@osdl.org>
To: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: tony.luck@intel.com, ak@suse.de, jschopp@austin.ibm.com,
haveblue@us.ibm.com, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH: 012/017](RFC) Memory hotplug for new nodes v.3. (rebuild zonelists after online pages)
Date: Thu, 9 Mar 2006 04:01:04 -0800 [thread overview]
Message-ID: <20060309040104.6e6f5ccd.akpm@osdl.org> (raw)
In-Reply-To: <20060308213410.003A.Y-GOTO@jp.fujitsu.com>
Yasunori Goto <y-goto@jp.fujitsu.com> wrote:
>
> In current code, zonelist is considered to be build once, no modification.
> But MemoryHotplug can add new zone/pgdat. It must be updated.
>
> This patch modifies build_all_zonelists().
> By this, build_all_zonelist() can reconfig pgdat's zonelists.
>
> To update them safety, this patch use stop_machine_run().
Yup, that's a good way of doing it.
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next prev parent reply other threads:[~2006-03-09 12:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-08 13:42 [PATCH: 012/017](RFC) Memory hotplug for new nodes v.3. (rebuild zonelists after online pages) Yasunori Goto
2006-03-08 13:42 ` Yasunori Goto
2006-03-08 13:42 ` Yasunori Goto
2006-03-09 12:01 ` Andrew Morton [this message]
2006-03-09 12:01 ` Andrew Morton
2006-03-09 12:01 ` Andrew Morton
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