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SubjectRe: kexec reboot code buffer
>> > I am fine with memory that is not physically contiguous.  The memory
>> > I really want the kernel is currently sitting on.....
>> Oh, in that case you should have no problem getting it from ZONE_NORMAL,
>> especially if you can wake up kswapd and wait for a few seconds.
> Nope, kswapd will not free the kernels text segment. So in practice
> I can use anything below 4GB.

Oh, I'm well aware that the kernel won't get swapped out ;-)
I was referring to the getting memory that's "not physically contiguous"
by waking up kswapd ;-)

> There is even a distribution built to be run completely out of a ramdisk.

Terrifying ;-)


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