linux-kernel - Re: [PATCH 5/5] memremap: provide a not device managed memremap

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Message-Id: <20190814085826.GB8784@in.ibm.com>
Date:   Wed, 14 Aug 2019 14:28:26 +0530
From:   Bharata B Rao <bharata@...ux.ibm.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-nvdimm@...ts.01.org
Subject: Re: [PATCH 5/5] memremap: provide a not device managed memremap_pages

On Wed, Aug 14, 2019 at 08:11:50AM +0200, Christoph Hellwig wrote:
> On Tue, Aug 13, 2019 at 10:26:11AM +0530, Bharata B Rao wrote:
> > Yes, this patchset works non-modular and with kvm-hv as module, it
> > works with devm_memremap_pages_release() and release_mem_region() in the
> > cleanup path. The cleanup path will be required in the non-modular
> > case too for proper recovery from failures.
> 
> Can you check if the version here:
> 
>     git://git.infradead.org/users/hch/misc.git pgmap-remove-dev
> 
> Gitweb:
> 
>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/pgmap-remove-dev
> 
> works for you fully before I resend?

Yes, this works for us. This and migrate-vma-cleanup series helps to
really simplify the kvmppc secure pages management code. Thanks.

Regards,
Bharata.