linux-kernel - Re: what's the incompatibility between hibernation and hotplug memory

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Message-ID: <47EC0842.3020109@goop.org>
Date:	Thu, 27 Mar 2008 13:49:06 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Pavel Machek <pavel@....cz>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: what's the incompatibility between hibernation and hotplug	memory

Pavel Machek wrote:
> Hi!
>
>   
>>> I noticed that Kconfig warns that hibernation and hotplug memory are not 
>>> compatible.  What's the issue?
>>>       
>> Generally, we might not be able to handle memory unplugged at a wrong time
>> (eg. after we've created the image).
>>
>> Which part of Kconfig says that exactly?
>>     
>
> Actually I believe it is simpler than that. We were not prepared to
> deal with memory holes in hibernation code, so we just disabled it in
> Kconfig...

Doesn't that mean its generally incompatible with non-flatmem memory 
arrangements rather than hotplug memory specifically?

    J
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