linux-kernel - Re: [PATCH 06/22] mm: factor out a devm_request_free_mem

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Date:   Sat, 15 Jun 2019 16:30:43 +0200
From:   Christoph Hellwig <hch@....de>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     Christoph Hellwig <hch@....de>,
        Dan Williams <dan.j.williams@...el.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Ben Skeggs <bskeggs@...hat.com>, linux-mm@...ck.org,
        nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-nvdimm@...ts.01.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/22] mm: factor out a devm_request_free_mem_region
 helper

On Fri, Jun 14, 2019 at 07:21:54PM -0700, John Hubbard wrote:
> On 6/13/19 2:43 AM, Christoph Hellwig wrote:
> > Keep the physical address allocation that hmm_add_device does with the
> > rest of the resource code, and allow future reuse of it without the hmm
> > wrapper.
> > 
> > Signed-off-by: Christoph Hellwig <hch@....de>
> > ---
> >  include/linux/ioport.h |  2 ++
> >  kernel/resource.c      | 39 +++++++++++++++++++++++++++++++++++++++
> >  mm/hmm.c               | 33 ++++-----------------------------
> >  3 files changed, 45 insertions(+), 29 deletions(-)
> 
> Some trivial typos noted below, but this accurately moves the code
> into a helper routine, looks good.

Thanks for the typo spotting.  These two actually were copy and pasted
from the original hmm code, but I'll gladly fix them for the next
iteration.