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SubjectRe: [PATCH v4 00/16] Overhaul multi-page lookups for THP
On Tue, 24 Nov 2020, Hugh Dickins wrote:
> On Wed, 25 Nov 2020, Matthew Wilcox wrote:
> > On Tue, Nov 17, 2020 at 11:43:02PM +0000, Matthew Wilcox wrote:
> > > On Tue, Nov 17, 2020 at 07:15:13PM +0000, Matthew Wilcox wrote:
> > > > I find both of these functions exceptionally confusing. Does this
> > > > make it easier to understand?
> > >
> > > Never mind, this is buggy. I'll send something better tomorrow.
> >
> > That took a week, not a day. *sigh*. At least this is shorter.
>
> Thanks, I'll give it a try (along with the other 4, on top of the 12:

s/12/16/

> maybe on -rc5, maybe on today's mmotm, I'll decide that later).
>
> Shorter you say, that's good: I was disheartened by the way it got
> more complicated, after your initial truncate_inode_partial_page()
> neatness. Any hints on what was wrong with my simple fixup to that?
> (But I didn't spend any more time trying to prove or disprove it.)
>
> Hugh
>

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