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Date:   Sat, 17 Nov 2018 06:37:42 -0800
From:   Matthew Wilcox <willy@infradead.org>
To:     Souptick Joarder <jrdr.linux@gmail.com>
Cc:     rppt@linux.ibm.com, Andrew Morton <akpm@linux-foundation.org>,
        Michal Hocko <mhocko@suse.com>,
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        Stephen Rothwell <sfr@canb.auug.org.au>,
        rppt@linux.vnet.ibm.com, Peter Zijlstra <peterz@infradead.org>,
        Russell King - ARM Linux <linux@armlinux.org.uk>,
        robin.murphy@arm.com, iamjoonsoo.kim@lge.com, treding@nvidia.com,
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Subject: Re: [PATCH 1/9] mm: Introduce new vm_insert_range API
Message-ID: <20181117143742.GB7861@bombadil.infradead.org>
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 <CAFqt6zYp0j999WXw9Jus0oZMjADQQkPfso8btv6du6L9CE3PXA@mail.gmail.com>
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On Sat, Nov 17, 2018 at 12:26:38PM +0530, Souptick Joarder wrote:
> On Fri, Nov 16, 2018 at 11:59 PM Mike Rapoport <rppt@linux.ibm.com> wrote:
> > > + * vm_insert_range - insert range of kernel pages into user vma
> > > + * @vma: user vma to map to
> > > + * @addr: target user address of this page
> > > + * @pages: pointer to array of source kernel pages
> > > + * @page_count: no. of pages need to insert into user vma
> > > + *
> > > + * This allows drivers to insert range of kernel pages they've allocated
> > > + * into a user vma. This is a generic function which drivers can use
> > > + * rather than using their own way of mapping range of kernel pages into
> > > + * user vma.
> >
> > Please add the return value and context descriptions.
> >
> 
> Sure I will wait for some time to get additional review comments and
> add all of those requested changes in v2.

You could send your proposed wording now which might remove the need
for a v3 if we end up arguing about the wording.