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From: Richard Weinberger <richard@nod.at>
To: zhangjun <openzhangj@gmail.com>
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Subject: Re: [PATCH] ubifs: Get/put page when changing PG_private
Date: Tue, 25 Dec 2018 22:08:09 +0100
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Am Dienstag, 25. Dezember 2018, 03:42:37 CET schrieb zhangjun:
> Hello,richard
> 
> 
> Before fully understanding this regression, in order to fix the bug of 
> cma_alloc(),
> submit a conservative patch that modifies count in iomap_migrate_page().
> Can you consider merging first?

No. There is no need to rush.
As it looks like the iomap regression is trivial, Christoph pointed out
that a case was forgotten.
But Dave is currently (like almost all of us) on vacation to confirm.

Thanks,
//richard