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To:     Jason Gunthorpe <jgg@ziepe.ca>
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References: <20220128002614.6136-1-logang@deltatee.com>
 <20220128002614.6136-23-logang@deltatee.com> <20220128142251.GV8034@ziepe.ca>
From:   Logan Gunthorpe <logang@deltatee.com>
Message-ID: <8ca5e74e-b02b-427f-cf7b-485f8153d689@deltatee.com>
Date:   Fri, 28 Jan 2022 09:52:18 -0700
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Subject: Re: [PATCH v5 22/24] mm: use custom page_free for P2PDMA pages
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On 2022-01-28 7:22 a.m., Jason Gunthorpe wrote:
> On Thu, Jan 27, 2022 at 05:26:12PM -0700, Logan Gunthorpe wrote:
>> When P2PDMA pages are passed to userspace, they will need to be
>> reference counted properly and returned to their genalloc after their
>> reference count returns to 1. This is accomplished with the existing
> 
> It is reference count returns to 0 now, right?

Right, yes.

Thanks,

Logan