On 27.10.20 16:40, Oscar Salvador wrote:
On Thu, Oct 22, 2020 at 03:01:44PM +0200, David Hildenbrand wrote:
This does not go without saying that the patchset is not 100% complete.
It is missing:

  - a way to disable memmap_on_memory (either sysfs or boot_time cmd)
  - atm, arch_add_memory for s390 screams if an altmap is passed.
    I am still thinking of a way to nicely drop handle that.
    Maybe a function in s390 that sets memmap_on_memory false and
    stuff that check in support_memmap_on_memory function.

Or simply implement altmap support ... shouldn't be too hard :)

Yeah, I guess so, but first I would like to have everything else settled.
So, gentle ping :-)


I'm planning on looking into patch #2/3 later this or next week (this week is open source summit / KVM Forum).

One thing to look into right now is how to make this fly this with vmemmap optimizations for hugetlb pages.

https://lkml.kernel.org/r/[email protected]

--
Thanks,

David / dhildenb

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