Re: [PATCH v2 0/1] Accept unaccepted kexec segments' destination addresses

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On 2/14/25 05:46, Kirill A. Shutemov wrote:
>> It sounds like you're advocating for the "slow guest boot" option.
>> Kirill, can you remind us how fast a guest boots to the shell for
>> modestly-sized (say 256GB) memory with "accept_memory=eager" versus
>> "accept_memory=lazy"? IIRC, it was a pretty remarkable difference.
> I only have 128GB machine readily available and posted some number on
> other thread[1]:
> 
>   On single vCPU it takes about a minute to accept 90GiB of memory.
> 
>   It improves a bit with number of vCPUs. It is 40 seconds with 4 vCPU, but
>   it doesn't scale past that in my setup.
> 
> I've mentioned it before in other thread:
> 
> [1] https://lore.kernel.org/all/ihzvi5pwn5hrn4ky2ehjqztjxoixaiaby4igmeihqfehy2vrii@tsg6j5qvmyrm

Oh, wow, from that other thread, you've been trying to get this crash
fix accepted since November?


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