Thread (24 messages) read the whole thread 24 messages, 5 authors, 2015-08-12

Re: [PATCH 1/5] x86, gfp: Cache best near node for memory allocation.

From: Tang Chen <hidden>
Date: 2015-08-04 08:25:45
Also in: linux-acpi, lkml

On 08/04/2015 04:05 PM, Jiang Liu wrote:
......


But,
1) in cpu_up(), it will try to online a node, and it doesn't check if
the node has memory.
2) in try_offline_node(), it offlines CPUs first, and then the memory.

This behavior looks a little wired, or let's say it is ambiguous. It
seems that a NUMA node
consists of CPUs and memory. So if the CPUs are online, the node should
be online.
Hi Chen,
	I have posted a patch set to enable memoryless node on x86,
will repost it for review:) Hope it help to solve this issue.
Thanks!
Gerry
Sure. Looking forward to the latest patches. :)

Thanks.

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