Re: [BUG REPORT] [mm-hotplug, aio] aio ring_pages can't be offlined

[Domenico Andreoli]

On Thu, Nov 29, 2012 at 02:54:58PM +0800, Lin Feng wrote:
> Hi all,

Hi Lin,

> We encounter a "Resource temporarily unavailable" fail while trying
> to offline a memory section in a movable zone. We found that there are 
> some pages can't be migrated. The offline operation fails in function 
> migrate_page_move_mapping() returning -EAGAIN till timeout because 
> the if assertion 'page_count(page) != 1' fails.

is this something that worked before? if yes (then it's a regression)
do you know with which kernel?

Thanks,
Domenico
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