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SubjectRe: [RFC PATCH V2 2/10] mm: expose is_mem_section_removable() symbol
On Tue 07-01-20 21:09:42, wrote:
> From: Tianyu Lan <>
> Hyper-V balloon driver will use is_mem_section_removable() to
> check whether memory block is removable or not when receive
> memory hot remove msg. Expose it.

I do not think this is a good idea. The check is inherently racy. Why
cannot the balloon driver simply hotremove the region when asked?
Michal Hocko

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