From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: "Brown, Len" <len.brown@intel.com>,
"Tolentino, Matthew E" <matthew.e.tolentino@intel.com>,
"Luck, Tony" <tony.luck@intel.com>, Andi Kleen <ak@suse.de>,
naveen.b.s@intel.com
Cc: Linux Kernel ML <linux-kernel@vger.kernel.org>,
ACPI-ML <linux-acpi@vger.kernel.org>,
linux-ia64@vger.kernel.org, x86-64 Discuss <discuss@x86-64.org>
Subject: [RFC:PATCH(000/003)] Memory add to onlined node.
Date: Mon, 06 Feb 2006 22:37:08 +0900 [thread overview]
Message-ID: <20060206221815.0605.Y-GOTO@jp.fujitsu.com> (raw)
Hello.
I would like to post patches for memory hot-add.
Current code allow addition to just node 0.
By this patch, the new memory is able to be added to appropriate node,
- if the node is already online.- If the node is offline,
(It means new node is comming!) then the memory will belongs
to node 0 yet.
If new memory belongs to new node, new pgdat must be initialized.
But, it still need more many steps. So, I would like to propose
this small steps for a while.
This patch is use acpi's DSDT to fined node id from physicall address.
So, this patch is just for intel/AMD architecture.
I tested this patch on ia64, and confirm copile completion for x86_64.
If there is no objection, I would like to test it too.
This patch is for 2.6.16-rc1-mm5. -mm5 already has pxm_to_nid map's
clean up and add_memory for x86_64.
So, these patches could be small. :-)
Please comment.
--
Yasunori Goto
reply other threads:[~2006-02-06 13:37 UTC|newest]
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