On Tue, 28 Aug 2012 18:00:07 +0800
we...@cn.fujitsu.com wrote:
> This patch series aims to support physical memory hot-remove.
Have you had much review and testing feedback yet?
> The patches can free/remove the following things:
>
> - acpi_memory_info : [RFC PATCH 4/19]
> - /sys/firmware/memmap/X/{end, start, type} : [RFC PATCH 8/19]
> - iomem_resource : [RFC PATCH 9/19]
> - mem_section and related sysfs files : [RFC PATCH 10-11, 13-16/19]
> - page table of removed memory : [RFC PATCH 12/19]
> - node and related sysfs files : [RFC PATCH 18-19/19]
>
> If you find lack of function for physical memory hot-remove, please let me
> know.
I doubt if many people have hardware which permits physical memory
removal? How would you suggest that people with regular hardware can
test these chagnes?
> Known problems:
> 1. memory can't be offlined when CONFIG_MEMCG is selected.
That's quite a problem! Do you have a description of why this is the
case, and a plan for fixing it?
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