linux-kernel - Re: cleanup the walk_page

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Date:   Sat, 17 Aug 2019 16:58:33 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Christoph Hellwig <hch@....de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Christoph Hellwig <hch@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Hellström <thomas@...pmail.org>,
        Jerome Glisse <jglisse@...hat.com>,
        Steven Price <steven.price@....com>,
        Linux-MM <linux-mm@...ck.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Minchan Kim <minchan@...nel.org>
Subject: Re: cleanup the walk_page_range interface

Hi Christoph,

On Sat, 17 Aug 2019 08:43:01 +0200 Christoph Hellwig <hch@....de> wrote:
>
> On Sat, Aug 17, 2019 at 04:41:24PM +1000, Stephen Rothwell wrote:
> > I certainly prefer that method of API change :-)
> > (see the current "keys: Replace uid/gid/perm permissions checking with
> > an ACL" in linux-next and the (currently) three merge fixup patches I
> > am carrying.  Its not bad when people provide the fixes, but I am no
> > expert in most areas of the kernel ...)  
> 
> It would mean pretty much duplicating all the code.  And then never
> finish the migration because new users of the old interfaces keep
> popping up.  Compared to that I'd much much prefer either Linus
> taking it now or a branch.

Sure, I have no problem with either of these two choices, or, at least,
hints/resolutions when conflicts are expected.  My time (each day) is
already getting pretty short since we are almost up to -rc5 ...

-- 
Cheers,
Stephen Rothwell

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