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SubjectRe: [RFC PATCH 0/5] mm, memory_hotplug: allocate memmap from hotadded memory
On Wed 26-07-17 17:06:59, Jerome Glisse wrote:
[...]
> This does not seems to be an opt-in change ie if i am reading patch 3
> correctly if an altmap is not provided to __add_pages() you fallback
> to allocating from begining of zone. This will not work with HMM ie
> device private memory. So at very least i would like to see some way
> to opt-out of this. Maybe a new argument like bool forbid_altmap ?

OK, I see! I will think about how to make a sane api for that.

Thanks!
--
Michal Hocko
SUSE Labs

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