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SubjectRe: [PATCH] mm,memory_hotplug: Fix scan_movable_pages for gigantic hugepages
On Wed, Jan 23, 2019 at 10:47:17AM +0100, Michal Hocko wrote:
> So this should be probably folded into the above patch as it is
> incomplete unless I am missing something.

Well, they are triggered from different paths.
The former error was triggered in:


while this one is triggered when actually doing the offline operation


But I do agree that one without the other is not really useful, an incomplete.
The truth is that I did not spot this one when fixing [1] because I did not
really try to offline the memblock back then, so my fault.

While I agree that the best approach would be to fold this one into [1],
I am not sure if it is too late for that as it seems that [1] was already
released into mainline, and moreover to stable.

I guess I will have Andrew decide what is the best way to carry on here.


> > Signed-off-by: Oscar Salvador <>
> Other than that the change looks good to me.
> Acked-by: Michal Hocko <>

Oscar Salvador

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