On Tue, Sep 23, 2008 at 9:52 AM, Surya Prakki <Surya.Prakki at sun.com> wrote:
> Anil Gulecha wrote:
>> On Tue, Sep 23, 2008 at 10:15 AM, Angad Singh <angad at angadsingh.in> wrote:
>>
>>> This is awesome. reboot -f, and you're done. Way cool.
>>>
>>> So if I have read the ARC case correctly, then this would load up a second
>>> instance of the kernel into RAM and then switch over to the new instance and
>>> kill the old one. So it would in turn require a lot of RAM, wouldn't it.

Something similar on the Linux front:
http://www.ibm.com/developerworks/linux/library/l-kexec.html?ca=dgr-lnxw09RebootFast


>>>
>>
>> The miniroot is basically under 200 mb. So my guess is you'd need ~200
>> of free RAM to switch to the new kernel. This should be fine in
>> systems with 1 Gb RAM, or maybe even in 512 Mb ones.
>>
>> Anil
>> ______
> Intent seems to be that, 1TB memory systems are not far away and BIOS spends
> more than few minutes initializing all of it...part of which could be
> delayed to a
> later time.
> -surya
>
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Amit Kumar Saha
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